APA način citiranja

Campbell, M. (1990). Harvard graphics made easy. Berkeley: Osborne McGraw-Hill.

Čikaški stil citiranja

Campbell, Mary. Harvard Graphics Made Easy. Berkeley: Osborne McGraw-Hill, 1990.

MLA način citiranja

Campbell, Mary. Harvard Graphics Made Easy. Berkeley: Osborne McGraw-Hill, 1990.

Upozorenje: Ovi citati možda nisu uvijek 100% točni.