Citazione Stile APA (7a Edizione)

Nunan, D. (1992). Collaborative language learning and teaching (1a. ed.). Cambridge University Press.

Citazione stile Chigago Style (17a edizione)

Nunan, David. Collaborative Language Learning and Teaching. 1a. ed. Cambridge: Cambridge University Press, 1992.

Citatione MLA (9a ed.)

Nunan, David. Collaborative Language Learning and Teaching. 1a. ed. Cambridge University Press, 1992.