Gaya APA

Barnard, C, I., Kaplan, . (2015). GRE : Graduate Record Examinatin : premier 2016 with 6 practice tests . New York: KAPLA.

Gaya MLA

Barnard, Chester, Irving., Kaplan, . "GRE : Graduate Record Examinatin : premier 2016 with 6 practice tests". New York: KAPLA, 2015. Text.