Gaya APA

Hallam, T, A, ;, S, F. (1989). VP-planner and VP-planner plus supplement to accompany microcomputer use software applications and problem solving with WordPerfect 4.2 and 5.0 ... . : .

Gaya MLA

Hallam, Teresa, Alberte-Hallam, ;, Stephen, F.. "VP-planner and VP-planner plus supplement to accompany microcomputer use software applications and problem solving with WordPerfect 4.2 and 5.0 ...". : , 1989. .