Gaya APA

JAFFE, E, D., HILBERT, S. (1993). How to prepare for the Graduate Management Admission test (GMAT) (Minth). Grogol, Jakarta: Binarupa Aksara.

Gaya MLA

JAFFE, Eugene, D.., HILBERT, Stephen. "How to prepare for the Graduate Management Admission test (GMAT)". Minth Grogol, Jakarta: Binarupa Aksara, 1993. Text.