| Label: | Parlophone 7243 8 80396 2 8 |
| Genre: | Electronic |
| Style: | Synth-pop, Garage House |
| Format: | CD (Single) |
| 1 | In My Defence » Producer: Dave Clarke » Remix: Ron Nevison | 3:51 |
| 2 | Love Kills (Original Wolf Mix) » Producer: Giorgio Moroder, Mack » Remix: Richard Wolf | 3:28 |
| 3 | Mr. Bad Guy (Original Version) » Producer: Mack | 4:11 |
| 4 | Living On My Own (Underground Solutions Mix) » Producer: Mack » Remix: Roger S. | 5:46 |
| Label: | Parlophone CDRS 6331 |
| Genre: | Electronic, Rock |
| Style: | Pop Rock, Synth-pop |
| Format: | CD (Single) |
| 1 | In My Defence » Producer: Dave Clark, Freddie Mercury » Remix, Producer: Ron Nevison » Written-By: Dave Clark, David Soames, Jeff Daniels | 3:51 |
| 2 | Love Kills (Wolf Euro Version) » Producer: Freddie Mercury, Giorgio Moroder, Mack » Producer [Additional], Remix: Richard Wolf » Written-By: Freddie Mercury, Giorgio Moroder | 3:24 |
| 3 | She Blows Hot And Cold » Producer: Freddie Mercury, Mack » Written-By: Freddie Mercury | 3:26 |
| 4 | In My Defence (Original Version) » Producer: Dave Clark, Freddie Mercury, Mack » Written-By: Dave Clark, David Soames, Jeff Daniels | 3:49 |
| Label: | Parlophone R 6331 |
| Genre: | Rock, Pop |
| Style: | Pop Rock, Ballad |
| Format: | Vinyl (7" , Single , 45 RPM) |
| A | In My Defence » Producer: Dave Clark, Freddie Mercury » Remix, Producer: Ron Nevison » Written-By: Dave Clark, David Soames, Jeff Daniels | 3:52 |
| B | Love Kills (Wolf Euro Version) » Producer: Freddie Mercury, Giorgio Moroder, Mack » Producer [Additional], Remix: Richard Wolf » Written-By: Freddie Mercury, Giorgio Moroder | 3:25 |
| Label: | EMI France 880693 2 |
| Genre: | Rock, Pop |
| Format: | CD (Single) |
| 1 | In My Defence » Producer: Dave Clark, Freddie Mercury, Mack » Remix, Producer: Ron Nevison » Written-By: Clark, Soames, Daniels | 3:52 |
| 2 | Love Kills (Wolf Euro Version) » Producer: Freddie Mercury, Giorgio Moroder, Mack » Producer [Additional], Remix: Richard Wolf » Written-By: Freddie Mercury, Giorgio Moroder | 3:25 |
| Label: | Parlophone TCR6331 |
| Genre: | Rock |
| Format: | Cassette (Single) |
| A1 | In My Defence | |
| A2 | Love Kills (Wolf Euro Version) | |
| B1 | In My Defence | |
| B2 | Love Kills (Wolf Euro Version) |