Cita APA (7th ed.)

Murray, K., & Sabotin, D. (1991). 10 minute guide to WordPerfect 5.1. Sams.

Cita Chicago (17th ed.)

Murray, Katherine, i Doug Sabotin. 10 Minute Guide to WordPerfect 5.1. Carmel, Ind: Sams, 1991.

Cita MLA (9th ed.)

Murray, Katherine, i Doug Sabotin. 10 Minute Guide to WordPerfect 5.1. Sams, 1991.