Gunawan, D. (1989). WordStar 5.5. PT. Elex Media Komputindo.
Chicago Style (17th ed.) CitationGunawan, Donny. WordStar 5.5. PT. Elex Media Komputindo, 1989.
MLA (8th ed.) CitationGunawan, Donny. WordStar 5.5. PT. Elex Media Komputindo, 1989.
Warning: These citations may not always be 100% accurate.