APA način citiranja (7. izdanje)

O'Leary, T. j., & Gardner, D. C. (1996). WordPerfect 6.1 for Windows: The visual learning guide. Prima Pub., McGraw-Hill.

Čikaški stil citiranja (17. izdanje)

O'Leary, Timothy j., i David C. Gardner. WordPerfect 6.1 for Windows: The Visual Learning Guide. Rocklin, CA : New York: Prima Pub., McGraw-Hill, 1996.

MLA način citiranja (8. izdanje)

O'Leary, Timothy j., i David C. Gardner. WordPerfect 6.1 for Windows: The Visual Learning Guide. Prima Pub., McGraw-Hill, 1996.