Cita APA

Collins. (2012). Skills for the TOEFL IBT test: Listening and speaking. Harper Collins Publishers.

Chicago Edition Citation

Collins. Skills for the TOEFL IBT Test: Listening and Speaking. Harper Collins Publishers, 2012.

Cita MLA

Collins. Skills for the TOEFL IBT Test: Listening and Speaking. Harper Collins Publishers, 2012.

Atenció: Aquestes cites poden no estar 100% correctes.