Παραπομπή APA

Nunan, D. (1993). Collaborative language learning and language Teaching. Cambridge University Press.

Παραπομπή Chicago Style

Nunan, David. Collaborative Language Learning and Language Teaching. Cambridge: Cambridge University Press, 1993.

Παραπομπή MLA

Nunan, David. Collaborative Language Learning and Language Teaching. Cambridge University Press, 1993.