APA Style

Larsen, G., Leeburg, V. (1992). First look at WordPerfect 5.1 / Gwynne Larsen and Verlene Leeburg (1). New York: McGraw-Hill.

MLA Style

Larsen, Gwynne., Leeburg, Verlene. "First look at WordPerfect 5.1 / Gwynne Larsen and Verlene Leeburg". 1 New York: McGraw-Hill, 1992. Textbook ห้องสมุดทั่วไป.