Cita APA

Kaplan, Inc. (2012). New GMAT essentials 2013. Kaplan Pub.

Citación estilo Chicago

Kaplan, Inc. New GMAT Essentials 2013. New York: Kaplan Pub, 2012.

Cita MLA

Kaplan, Inc. New GMAT Essentials 2013. Kaplan Pub, 2012.

Warning: These citations may not always be 100% accurate.