Versions
| Title, Format | Label | Cat# | Country | Year | |
|---|---|---|---|---|---|
| If You Don't Know Me By Now (7") | Elektra | 7-69297 | UK | 1989 | |
| If You Don't Know Me By Now (10", Ltd) | Elektra, Elektra, WEA, WEA | YZ 377 TE, 246991-0 | UK | 1989 | |
| If You Don't Know Me By Now (12") | WEA International Inc. | 246 992-0 | Germany | 1989 | |
| If You Don't Know Me By Now (12") | WEA | YZ377T | UK | 1989 | |
| If You Don't Know Me By Now (12") | Elektra | 0-66703 | US | 1989 | |
| If You Don't Know Me By Now (7") | WEA | 246 993-7 | Germany | 1989 | |
| If You Don't Know Me By Now (7") | WEA | 246 993-7 | France | 1989 | |
| If You Don't Know Me By Now (7") | WEA Records Ltd. | 7-246993 | UK | 1989 | |
| If You Don't Know Me By Now (7", Single) | Elektra, WEA | YZ377, 246993-7 | UK | 1989 | |
| If You Don't Know Me By Now (CD, Mini, Box) | WEA Records Ltd., WEA Records Ltd. | YZ 377 CDX, 246 990-2 | Germany | 1989 | |
| If You Don't Know Me By Now (CD, Mini, Single, Car) | WEA Records Ltd., WEA Records Ltd. | YZ 377 CD, 246 990-2 | Germany | 1989 | |
| If You Don't Know Me By Now (Cass, Single) | Elektra | 4-69297 | US | 1989 |