APA (7th ed.) Zitazioa

Kalpan Publishing. (2006). Kaplan toefl ibt with cd-rom. Kaplan.

Chicago Style (17th ed.) Zitazioa

Kalpan Publishing. Kaplan Toefl Ibt with Cd-rom. New York: Kaplan, 2006.

MLA (9th ed.) Zitazioa

Kalpan Publishing. Kaplan Toefl Ibt with Cd-rom. Kaplan, 2006.