Gaya APA

Hallam, T, A, ;, S, F. (1989). Microcomputer use: software applications and problem solving with WordPerfect 4.2 and 5.0, WordStar, Lotus 1-2-3, dBASE III+ . New York: Harcourt Brace Jovanovich.

Gaya MLA

Hallam, Teresa, Alberte-Hallam, ;, Stephen, F.. "Microcomputer use: software applications and problem solving with WordPerfect 4.2 and 5.0, WordStar, Lotus 1-2-3, dBASE III+". New York: Harcourt Brace Jovanovich, 1989. Text.