एपीए उद्धरण

Doff, A. (2011). English unlimited A1: Stater self-study pack. Cambridge: Cambridge University Press.

शिकागो स्टाइल उद्धरण

Doff, Adrian. English Unlimited A1: Stater Self-study Pack. Cambridge: Cambridge University Press, 2011.

एमएलए उद्धरण

Doff, Adrian. English Unlimited A1: Stater Self-study Pack. Cambridge: Cambridge University Press, 2011.