Maran, R. (1989). Maran Graphics' simplified computer guide WordPerfect version 5.1. Maran Graphics.
芝加哥风格引文Maran, Richard. Maran Graphics' Simplified Computer Guide WordPerfect Version 5.1. Mississauga, Ont: Maran Graphics, 1989.
MLA引文Maran, Richard. Maran Graphics' Simplified Computer Guide WordPerfect Version 5.1. Maran Graphics, 1989.
警告：这些引文格式不一定是100％准确.