Ellis, R. (1997). Second language acquisition. New York: Oxford University Press.
शिकागो स्टाइल उद्धरणEllis, Rod. Second Language Acquisition. New York: Oxford University Press, 1997.
एमएलए उद्धरणEllis, Rod. Second Language Acquisition. New York: Oxford University Press, 1997.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.