APA aipamena

Nancy Stanley. (1989). The best TOEFL: Test book. New Jersey: Addison-Wesley.

Chicago Style aipamena

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

MLA aipamena

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

Kontuz: berrikusi erreferentzia hauek erabili aurretik.