APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (9e ed.) Bronvermelding

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