APA সাইটেশন

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

শিকাগো স্টাইলে সাইটেশন

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

এমএলএ সাইটেশন

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