| Label: | Polydor 2050 780 |
| Genre: | Electronic |
| Style: | Disco |
| Format: | Vinyl (7" , 45 RPM) |
| A | So Funny » Producer: M. Duiser » Written-By: E. Driessen | 3:41 |
| B | Don't You Know » Written-By: E. Driessen, R. Mulder, Spargo | 4:12 |
| Label: | Polydor 2141 662 |
| Genre: | Electronic |
| Style: | Disco |
| Format: | Vinyl (12") |
| A | So Funny » Producer: M. Duiser » Written-By: E. Driessen | 5:14 |
| B | Don't You Know » Written-By: E. Driessen, R. Mulder, Spargo | 4:12 |
| Label: | Polydor 2040 377 |
| Genre: | Electronic, Funk / Soul |
| Style: | Disco |
| Format: | Vinyl (7" , Single , 45 RPM) |
| A | So Funny » Producer: M. Duiser » Written-By: E. Driessen | 3:41 |
| B | Don't You Know » Written-By: E. Driessen, R. Mulder, Spargo | 4:12 |
| Label: | Polydor 2141 636 |
| Genre: | Electronic |
| Style: | Disco |
| Format: | Vinyl (12" , Maxi-Single , EP , 45 RPM) |
| A | So Funny » Producer: M. Duiser | 5:14 |
| B | Don't You Know » Producer: Driessen, Mulder, Spargo » Written-By: R. Mulder, Spargo | 4:12 |
| Label: | Durium DEX 13029 |
| Genre: | Electronic |
| Style: | Disco |
| Format: | Vinyl (12" , 45 RPM , Maxi-Single) |
| A | So Funny » Written-By: E. Driessen | 5:14 |
| B | Don't You Know » Written-By: E. Driessen, Mulder, Spargo | 4:12 |
| Label: | Cook (2) CPC-90008 |
| Genre: | Electronic |
| Style: | Disco |
| Format: | Vinyl (12") |
| A | So Funny (Tan Divertido) » Producer: M. Duiser » Written-By: E. Driessen | 5:14 |
| B | Don't You Know (¿No Lo Sabes?) » Written-By: E. Driessen, R. Mulder, Spargo | 4:12 |
| Label: | Durium DE. 3224 |
| Genre: | Electronic |
| Style: | Disco |
| Format: | Vinyl (7" , 45 RPM) |
| A | So Funny » Producer: M. Duiser » Written-By: E. Driessen | 3:41 |
| B | Don't You Know » Producer: Driessen, Mulder » Producer, Written-By: Spargo » Written-By: E. Driessen, R. Mulder | 4:12 |
| Label: | Royton Music ROYS 125 |
| Genre: | Electronic, Funk / Soul |
| Style: | Disco |
| Format: | Vinyl (7" , 45 RPM) |
| A | So Funny » Producer: M. Duiser » Written-By: E. Driessen | 3:41 |
| B | Don't You Know » Written-By: E. Driessen, R. Mulder, Spargo | 4:12 |
| Label: | Cook (2) CPC-90007 |
| Genre: | Electronic |
| Style: | Disco |
| Format: | Vinyl (7" , Single) |
| A | So Funny (Tan Divertido) » Producer: M. Duiser » Written-By: E. Driessen | 3:41 |
| B | Don't You Know (¿No Lo Sabes?) » Written-By: E. Driessen, R. Mulder, Spargo | 4:11 |