APA Style

Aitken, P, G. (1993). WordPerfect 6.0 for DOS insider / Peter G. Aitken (1). New York: John Wiley & Sons.

MLA Style

Aitken, Peter, G.. "WordPerfect 6.0 for DOS insider / Peter G. Aitken". 1 New York: John Wiley & Sons, 1993. Textbook ห้องสมุดทั่วไป.