एपीए उद्धरण

Ur, P. A couse in language teaching: Practice and theory. Cambridge: Cambridge Univesity press.

शिकागो स्टाइल उद्धरण

Ur, Penny. A Couse in Language Teaching: Practice and Theory. Cambridge: Cambridge Univesity press.

एमएलए उद्धरण

Ur, Penny. A Couse in Language Teaching: Practice and Theory. Cambridge: Cambridge Univesity press.