एपीए उद्धरण

(2017). GRE prep plus 2018: Practice tests + proven strategies + online + video + mobile. New York: Kaplan Publishing.

शिकागो स्टाइल उद्धरण

GRE Prep Plus 2018: Practice Tests + Proven Strategies + Online + Video + Mobile. New York: Kaplan Publishing, 2017.

एमएलए उद्धरण

GRE Prep Plus 2018: Practice Tests + Proven Strategies + Online + Video + Mobile. New York: Kaplan Publishing, 2017.