एपीए उद्धरण

Ur, P., & Penny Ur. (1999). A course in language teaching: Trainee book. Cambridge, U.K. ; New York: Cambridge University Press.

शिकागो स्टाइल उद्धरण

Ur, Penny, और Penny Ur. A Course in Language Teaching: Trainee Book. Cambridge, U.K. ; New York: Cambridge University Press, 1999.

एमएलए उद्धरण

Ur, Penny, और Penny Ur. A Course in Language Teaching: Trainee Book. Cambridge, U.K. ; New York: Cambridge University Press, 1999.