APA-referens (7:e uppl.)
Erickson, F. J., & Vonk, J. A. (1994). Computers--concepts, implications, and applications with DOS 5.0, WordPerfect 5.1, Lotus 1-2-3, Release 2.4, and dBASE IV 1.5. Business and Educational Technologies.
Chicago-referens (17:e uppl.)
Erickson, Fritz J., och John A. Vonk. Computers--concepts, Implications, and Applications with DOS 5.0, WordPerfect 5.1, Lotus 1-2-3, Release 2.4, and DBASE IV 1.5. Dubuque, IA: Business and Educational Technologies, 1994.
MLA-referens (9:e uppl.)
Erickson, Fritz J., och John A. Vonk. Computers--concepts, Implications, and Applications with DOS 5.0, WordPerfect 5.1, Lotus 1-2-3, Release 2.4, and DBASE IV 1.5. Business and Educational Technologies, 1994.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.