Cita APA

 Nunan, D. (1999).  Second language teaching & learning.  Heinle & Heinle.

Chicago Style Citation

 Nunan, David.  Second Language Teaching & Learning.  Heinle & Heinle, 1999.

Cita MLA

 Nunan, David.  Second Language Teaching & Learning.  Heinle & Heinle, 1999.

Atenció: Aquestes cites poden no estar 100% correctes.