Cita APA

(1989). Listening to TOEFL: An Official TOEFL Study Aid. Princeton: Educational testing service.

Chicago Style Citation

Listening to TOEFL: An Official TOEFL Study Aid. Princeton: Educational testing service, 1989.

Cita MLA

Listening to TOEFL: An Official TOEFL Study Aid. Princeton: Educational testing service, 1989.

Atenció: Aquestes cites poden no estar 100% correctes.