APA aipamena

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

Chicago Style aipamena

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

MLA aipamena

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

Kontuz: berrikusi erreferentzia hauek erabili aurretik.