एपीए उद्धरण

Barraclough, C. (2010). Activate B1: Sudents' book. Harlow: Pearson.

शिकागो स्टाइल उद्धरण

Barraclough, Carolyn. Activate B1: Sudents' Book. Harlow: Pearson, 2010.

एमएलए उद्धरण

Barraclough, Carolyn. Activate B1: Sudents' Book. Harlow: Pearson, 2010.