Cita APA

Ellis, D., & Martinson, T. H. (1991). GMAT: Graduate management admission test (Ed.4 rev.).

Citación estilo Chicago

Ellis, David, and Thomas H. Martinson. GMAT: Graduate Management Admission Test. Ed.4 rev. New Delhi, Goyl Saab Publishers, 1991.

Cita MLA

Ellis, David, and Thomas H. Martinson. GMAT: Graduate Management Admission Test. Ed.4 rev. 1991.