Educational Testing Service. (2015). The Official Guide to the GRE revised General Test (2nd ed.). McGraw Hill Education (India) Pvt. Ltd.
Chicago (17e ed.) BronvermeldingEducational Testing Service. The Official Guide to the GRE Revised General Test. 2nd ed. New Delhi: McGraw Hill Education (India) Pvt. Ltd, 2015.
MLA (9e ed.) BronvermeldingEducational Testing Service. The Official Guide to the GRE Revised General Test. 2nd ed. McGraw Hill Education (India) Pvt. Ltd, 2015.
Let op: Deze citaties zijn niet altijd 100% accuraat.