LP:
UK Rock Machine MACHM 4: (LP) black label
UK Rock Machine MACHMP 4 (picture disc LP)
Yugoslavia Badmington/Helidon 7.551506: "Blue/purple-fading-into-white" label. 17 tracks

CD:
UK Rock Machine MACD 4: (CD) 1992, no barcode
UK Rock Machine MACD 4: (CD), re-issue with barcode
Japan Rock Machine MACD 4: (CD) (On obi: J!mco Records) is "Made in France by MPO". 17 tracks.
Japan Rock Machine MACD 4: (CD) is "Made in Japan". Names on band members not listed on front cover.
France Carrere Music 9031-76924-2: (CD) Has "CARRERE" on bottom left corner and "THE FIRST ALBUM" on top right corner of front cover.

Cassette:
UK Rock Machine MACH K11 (cassette, different cover)
Turkey Thomsun EN 911: (Cassette) 17 tracks