Gaya APA

Bobrow, J. et al (1989). Graduate Management Admission Test : Preparation Guide (Ed. 5). Singapura: John Wiley & Sons, Inc..

Gaya MLA

Bobrow, Jerry. et al. "Graduate Management Admission Test : Preparation Guide". Ed. 5 Singapura: John Wiley & Sons, Inc., 1989. Text.