Murray, K., & Sabotin, D. (1991). 10 minute guide to WordPerfect 5.1. Sams.
Lua i Stíl Chicago (17ú heag.)Murray, Katherine, agus Doug Sabotin. 10 Minute Guide to WordPerfect 5.1. Carmel, Ind: Sams, 1991.
Lua MLA (9ú heag.)Murray, Katherine, agus Doug Sabotin. 10 Minute Guide to WordPerfect 5.1. Sams, 1991.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.