| Title, Format | Label | Cat# | Country | Year | |
|---|---|---|---|---|---|
| Should've Known Better / Rhythm Of Life (7", Single) | EMI-Manhattan Records | B-50083 | US | 1987 | |
| Should've Known Better (12", Etch, S/Sided) | EMI-Manhattan Records | 12MTS 32 | UK | 1987 | |
| Should've Known Better (CD, Maxi) | EMI-Manhattan Records, EMI-Manhattan Records | 20 2372 2, CDMT 32 | UK | 1988 |