एपीए उद्धरण

Barraclough, C. (2008). Activate! B1+: Workbook. Pearson Education limited: England.

शिकागो स्टाइल उद्धरण

Barraclough, Carolyn. Activate! B1+: Workbook. Pearson Education limited: England, 2008.

एमएलए उद्धरण

Barraclough, Carolyn. Activate! B1+: Workbook. Pearson Education limited: England, 2008.