APA aipamena

Feare, R. E. Key to success to the TOEFL. New York: Oxford Univ.

Chicago Style aipamena

Feare, Ronald E. Key to Success to the TOEFL. New York: Oxford Univ.

MLA aipamena

Feare, Ronald E. Key to Success to the TOEFL. New York: Oxford Univ.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.