Gaya APA

Catapult, . (1994). Microsoft FoxPro for Windows, versi 2.5 for windows step by step (--). Jakarta: PT. Elex Media.

Gaya MLA

Catapult, . "Microsoft FoxPro for Windows, versi 2.5 for windows step by step". -- Jakarta: PT. Elex Media, 1994. Text.