Tracklist
| A | (I Guess) It Must Be Love | 3:59 |
| B1 | (I Guess) It Must Be Love | 7:20 |
| B2 | (I Guess) It Must Be Love (Instrumental) | 9:25 |
Companies, etc.
- Phonographic Copyright (p) – MCA Records, Inc.
- Produced For – Flyte Tyme Productions, Inc.
- Published By – Flyte Tyme Tunes
Credits
- Producer – Monte Moir
- Written-By – M. Moir*
Notes
From the MCA LP, MCA-5527, "Qualifying Heat"Other versions
| Category | Artist | Title (Format) | Label | Category | Country | Year |
|---|---|---|---|---|---|---|
| L33-1288 | Thelma Houston | (I Guess) It Must Be Love (12", Promo) | MCA Records | L33-1288 | US | 1985 |
| MCA-52489 | Thelma Houston | (I Guess) It Must Be Love (7", Single, Promo) | MCA Records | MCA-52489 | US | 1984 |
| MCA-52489 | Thelma Houston | (I Guess) It Must Be Love (7", Single) | MCA Records | MCA-52489 | US | 1985 |
| MCAT 940 | Thelma Houston | (I Guess) It Must Be Love (12") | MCA Records | MCAT 940 | UK | 1984 |
| MCA 940 | Thelma Houston | (I Guess) It Must Be Love (7") | MCA Records | MCA 940 | UK | 1984 |
