एपीए उद्धरण

(1992). Collaborative language learning and teaching. Cambridge, England: Cambridge University Press.

शिकागो स्टाइल उद्धरण

Collaborative Language Learning and Teaching. Cambridge, England: Cambridge University Press, 1992.

एमएलए उद्धरण

Collaborative Language Learning and Teaching. Cambridge, England: Cambridge University Press, 1992.