Cita APA (7th ed.)

Bobrow, J., & Covino, W. A. (1989). Cliffs graduate management admission test: Preparation guide. Cliffs Notes.

Cita Chicago (17th ed.)

Bobrow, Jerry, i William A. Covino. Cliffs Graduate Management Admission Test: Preparation Guide. Lincoln, Neb: Cliffs Notes, 1989.

Cita MLA (9th ed.)

Bobrow, Jerry, i William A. Covino. Cliffs Graduate Management Admission Test: Preparation Guide. Cliffs Notes, 1989.