एपीए उद्धरण

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

शिकागो स्टाइल उद्धरण

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

एमएलए उद्धरण

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