Citazione Stile APA (7a Edizione)

Nunan, D. (1992). Research methods in language learning. Cambridge University Press.

Citazione stile Chigago Style (17a edizione)

Nunan, David. Research Methods in Language Learning. Cambridge: Cambridge University Press, 1992.

Citatione MLA (9a ed.)

Nunan, David. Research Methods in Language Learning. Cambridge University Press, 1992.