APA
Green S. W. &. W. I. k., . (2015). Barron's GRE 2016 21st ed. New Delhi: Galgotia Publications.
Chicago
Green S W & Wolf Ira k, . 2015. Barron's GRE 2016 21st ed. New Delhi: Galgotia Publications.
Harvard
Green S. W. &. W. I. k., . (2015). Barron's GRE 2016 21st ed. New Delhi: Galgotia Publications.
MLA
Green S W & Wolf Ira k, . Barron's GRE 2016 21st ed. New Delhi: Galgotia Publications. 2015.