एपीए उद्धरण

Seliger, H. W. (1989). Second language research methods. Oxford, UK: Oxford University Press.

शिकागो स्टाइल उद्धरण

Seliger, Herbert W,Seliger. Second Language Research Methods. Oxford, UK: Oxford University Press, 1989.

एमएलए उद्धरण

Seliger, Herbert W,Seliger. Second Language Research Methods. Oxford, UK: Oxford University Press, 1989.