एपीए उद्धरण

Bonnor, C. (1985). Key skills in geography. Melbourne, Australia: Longman Cheshire.

शिकागो स्टाइल उद्धरण

Bonnor, Chris. Key Skills in Geography. Melbourne, Australia: Longman Cheshire, 1985.

एमएलए उद्धरण

Bonnor, Chris. Key Skills in Geography. Melbourne, Australia: Longman Cheshire, 1985.