| Label: | CBS CBSA 3994 |
| Genre: | Electronic, Rock |
| Style: | New Wave, Synth-pop |
| Format: | Vinyl (7") |
| A | ? (Fragezeichen) » Saxophone: David Sanborn | |
| B | Ich Lieb' Dich |
| Label: | CBS CBS A 12.3994 |
| Genre: | Electronic, Rock |
| Style: | Pop Rock |
| Format: | Vinyl (12" , 45 RPM) |
| A | ? (Fragezeichen) » Written-By: J.U. Fahrenkrog-Petersen, N. Kerner | 4:28 |
| B | Ich Lieb' Dich » Written-By: Carlo Karges | 4:28 |
| Label: | CBS CBS A 3994 |
| Genre: | Electronic, Rock |
| Style: | New Wave, Synth-pop |
| Format: | Vinyl (7" , Single) |
| A | ? (Fragezeichen) » Written-By: J.U. Fahrenkrog-Petersen, N. Kerner | 3:40 |
| B | Ich Lieb' Dich » Written-By: Carlo Karges | 4:28 |
| Label: | Discos CBS S.A. CBS A 12.3994 |
| Genre: | Electronic, Rock |
| Style: | Pop Rock, Synth-pop |
| Format: | Vinyl (12" , 45 RPM , Maxi-Single) |
| A | ? (Fragezeichen) (Interrogación) » Written-By: J.U. Fahrenkrog-Petersen, N. Kerner | 4:28 |
| B | Ich Lieb' Dich (Te Quiero) » Written-By: Carlos Karges | 4:28 |
| Label: | Epic International 07•5P-301 |
| Genre: | Electronic, Rock |
| Style: | New Wave, Synth-pop |
| Format: | Vinyl (7" , Promo , Single) |
| A | ? (Fragezeichen) | |
| B | ? |
| Label: | Epic A4617 |
| Genre: | Electronic, Rock |
| Style: | New Wave, Synth-pop |
| Format: | Vinyl (7" , 45 RPM) |
| A | ? (Question Mark) » Lyrics By [English]: R. Brown » Saxophone: David Sanborn » Written-By: J.U. Fahrenkrog-Peterson, N. Kerner | 3:52 |
| B | Ich Lieb' Dich » Written-By: Carlo Karges | 4:28 |
| Label: | CBS CBS A 3994 |
| Genre: | Electronic, Pop, Rock |
| Style: | New Wave, Synth-pop |
| Format: | Vinyl (7" , Promo , Single Sided) |
| A | Interrogación (? (Fragezeichen)) | 3:40 |
| Label: | Epic TA4617 |
| Genre: | Electronic, Rock |
| Style: | New Wave, Synth-pop |
| Format: | Vinyl (12" , 45 RPM) |
| A | ? (Question Mark) » Lyrics By [English]: R. Brown » Saxophone: David Sanborn » Written-By: J.U. Fahrenkrog-Peterson, N. Kerner | 4:26 |
| B1 | ? (Fragezeichen) [Original German Version] » Written-By: J.U. Fahrenkrog-Peterson, N. Kerner | 4:28 |
| B2 | Ich Lieb' Dich » Written-By: Carlo Karges | 4:28 |
| Label: | CBS CBS A 3994 |
| Genre: | Electronic, Rock |
| Style: | New Wave, Synth-pop |
| Format: | Vinyl (7" , Single , 45 RPM) |
| A | ? (Fragezeichen) » Written-By: J.U. Fahrenkrog-Petersen, N. Kerner | 3:40 |
| B | Ich Lieb' Dich » Written-By: Carlo Karges | 4:28 |
| Label: | CBS CBS A 3994 |
| Genre: | Electronic, Rock |
| Style: | New Wave, Synth-pop |
| Format: | Vinyl (7" , Single) |
| A | ? (Fragezeichen) » Written-By: J.U. Fahrenkrog-Petersen, N. Kerner | 3:40 |
| B | Ich Lieb' Dich » Written-By: Carlo Karges | 4:28 |