Gaya APA

Dolan, K, A. (1990). Using application software in business: using the IBM PC VP-planner plus dBase III plus wordperfect 4.2 . New York: McGraw Hill.

Gaya MLA

Dolan, Kathleen, A.. "Using application software in business: using the IBM PC VP-planner plus dBase III plus wordperfect 4.2". New York: McGraw Hill, 1990. Text.