Cita APA

(1989). Listening to toefl: An official toefl study aid. New York: Educational Testing Service.

Chicago Style Citation

Listening to Toefl: An Official Toefl Study Aid. New York: Educational Testing Service, 1989.

Cita MLA

Listening to Toefl: An Official Toefl Study Aid. New York: Educational Testing Service, 1989.

Atenció: Aquestes cites poden no estar 100% correctes.