Cita APA (7th ed.)

Educational Testing Service. (2015). The Official Guide to the GRE revised General Test (2nd ed.). McGraw Hill Education (India) Pvt. Ltd.

Cita Chicago (17th ed.)

Educational Testing Service. The Official Guide to the GRE Revised General Test. 2nd ed. New Delhi: McGraw Hill Education (India) Pvt. Ltd, 2015.

Cita MLA (9th ed.)

Educational Testing Service. The Official Guide to the GRE Revised General Test. 2nd ed. McGraw Hill Education (India) Pvt. Ltd, 2015.