Cita APA

(2012). The official guide to the GRE revised general test (2nd ed.). New York: McGraw-Hill.

Citación estilo Chicago

The Official Guide to the GRE Revised General Test. 2nd ed. New York: McGraw-Hill, 2012.

Cita MLA

The Official Guide to the GRE Revised General Test. 2nd ed. New York: McGraw-Hill, 2012.