APA aipamena

Stanley, N. (1989). The best TOEFL test book. New York: Addison-Wesley.

Chicago Style aipamena

Stanley, Nancy. The Best TOEFL Test Book. New York: Addison-Wesley, 1989.

MLA aipamena

Stanley, Nancy. The Best TOEFL Test Book. New York: Addison-Wesley, 1989.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.