एपीए उद्धरण

Allaby, M. (2000). Basics of environmental science (2nd ed.). Routledge.

शिकागो स्टाइल उद्धरण

Allaby, Michael. Basics of Environmental Science. 2nd ed. London: Routledge, 2000.

एमएलए उद्धरण

Allaby, Michael. Basics of Environmental Science. 2nd ed. Routledge, 2000.