| Catalogue | : | #K 9588 |
| Country | : | AUSTRALIA |
| Format | : | 7 Inch Vinyl Single |
| Special Notes |
: |
LIMITED EDITION |
| Track Details | : | 1. How Will I Know
(4.28) 2. Thinking About You (5.27) |
| Catalogue | : | #18649 |
| Country | : | PERU |
| Format | : | 7 Inch Vinyl Single |
| Track Details | : | 1. How Will I Know
(Dance Remix) 2. How Will I Know (Como Lo Sabre) |
| Catalogue | : | #104503 |
| Country | : | AUSTRALIA |
| Format | : | 7 Inch Vinyl Single |
| Track Details | : | 1. How Will I Know
(4.10) 2. Someone For Me (4.57) |
| Catalogue | : | #7RS-132 |
| Country | : | JAPAN |
| Format | : | 7 Inch Vinyl Single |
| Track Details | : | 1. How Will I Know 2. Someone For Me |
| Catalogue | : | #ARIST 656 |
| Country | : | IRELAND |
| Format | : | 7 Inch Vinyl Single |
| Track Details | : | 1. How Will I Know 2. Someone For Me |
| Catalogue | : | #AS1-9434 |
| Country | : | USA |
| Format | : | 7 Inch Vinyl Single |
| Track Details | : | 1. How Will I Know
(4.10) 2. Someone For Me (4.57) |
| Catalogue | : | #107 952 |
| Country | : | GERMANY |
| Format | : | 7 Inch Vinyl Single |
| Track Details | : | 1. How Will I Know
(4.10) 2. Someone For Me (4.57) |
| Catalogue | : | #A10D-102 |
| Country | : | JAPAN |
| Format | : | CD2 In Snap Card Sleeve |
| Track Details | : | 1. How Will I Know 2. Someone For Me |
| Catalogue | : | #108 014 |
| Country | : | GERMANY |
| Format | : | 7 Inch Vinyl Single |
| Track Details | : | 1. How Will I Know
(4.10) 2. All At Once (4.26) |
| Catalogue | : | #107 741 |
| Country | : | GERMANY |
| Format | : | 7 Inch Vinyl Single |
| Track Details | : | 1. How Will I Know
(4.10) 2. The Greatest Love Of All (4.45) |
| Catalogue | : | #107 347 |
| Country | : | GERMANY |
| Format | : | 7 Inch Vinyl Single |
| Track Details | : | 1. How Will I Know
(4.10) 2. You Give Good Love (4.33) |