एपीए उद्धरण

Ellis, R. (2008). Understanding second language acquisition. Oxford: Oxford University.

शिकागो स्टाइल उद्धरण

Ellis, Rod. Understanding Second Language Acquisition. Oxford: Oxford University, 2008.

एमएलए उद्धरण

Ellis, Rod. Understanding Second Language Acquisition. Oxford: Oxford University, 2008.