Gaya APA

Cooper, D, R. et al (2000). [Business Research Methods. Bah. Indonesia] Metode Penelitian Bisnis Jilid I (Ed. 5, Cet. 4). Jakarta: Erlangga.

Gaya MLA

Cooper, Donald, R.. et al. "[Business Research Methods. Bah. Indonesia] Metode Penelitian Bisnis Jilid I". Ed. 5, Cet. 4 Jakarta: Erlangga, 2000. Text.