एपीए उद्धरण

Cotton, D. (2007). Market leader: Pre-intermediate business English. England: Pearson Education Ltd.

शिकागो स्टाइल उद्धरण

Cotton, David. Market Leader: Pre-intermediate Business English. England: Pearson Education Ltd, 2007.

एमएलए उद्धरण

Cotton, David. Market Leader: Pre-intermediate Business English. England: Pearson Education Ltd, 2007.