Grupe, F. H. (1990). Microcomputer applications: Using WordPerfect 5.0, Lotus 1-2-3, and dBase III Plus. W.C. Brown.
Chicago Style (17th ed.) CitationGrupe, Fritz H. Microcomputer Applications: Using WordPerfect 5.0, Lotus 1-2-3, and DBase III Plus. Dubuque, Iowa: W.C. Brown, 1990.
MLA引文Grupe, Fritz H. Microcomputer Applications: Using WordPerfect 5.0, Lotus 1-2-3, and DBase III Plus. W.C. Brown, 1990.
警告:這些引文格式不一定是100%准確.