Gaya APA

BARRETT, J., WILLIAMS, G. (2001). Test Your Own Aptitude: ujilah bakat profesional anda (ed. 2). Jakarta: Erlangga.

Gaya MLA

BARRETT, James., WILLIAMS, Geoff. "Test Your Own Aptitude: ujilah bakat profesional anda". ed. 2 Jakarta: Erlangga, 2001. Text.