एपीए उद्धरण

Barrow,C.J. (1999). Environmental management: Principles and practices. Routledge..

शिकागो स्टाइल उद्धरण

Barrow,C.J. Environmental Management: Principles and Practices. London: Routledge., 1999.

एमएलए उद्धरण

Barrow,C.J. Environmental Management: Principles and Practices. Routledge., 1999.