Gaya APA

Louis, S. (1987). Times Mirror / Mosby College Publishing micro computer applications software : WordPerfect dBase III Plus and SuperCalc 4. . Times Mirror: Mosby College Pub..

Gaya MLA

Louis, St.. "Times Mirror / Mosby College Publishing micro computer applications software : WordPerfect dBase III Plus and SuperCalc 4.". Times Mirror: Mosby College Pub., 1987. Text.