Citazione Stile APA (7a Edizione)

GRUBER GARY R. (1980). GRADUATE MANAGEMENT ADMISSION TEST (GMAT). MONARCH PRESS.

Citazione stile Chigago Style (17a edizione)

GRUBER GARY R. GRADUATE MANAGEMENT ADMISSION TEST (GMAT). NEW YORK: MONARCH PRESS, 1980.

Citatione MLA (9a ed.)

GRUBER GARY R. GRADUATE MANAGEMENT ADMISSION TEST (GMAT). MONARCH PRESS, 1980.