Style de citation APA

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

Style de citation Chicago

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

Style de citation MLA

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

Attention : ces citations peuvent ne pas être correctes à 100%.