एपीए उद्धरण

Graves, P. E. (2014). Environmental economics: An integrated approach. Boca Rato: Taylor & Francis.

शिकागो स्टाइल उद्धरण

Graves, Philip E. Environmental Economics: An Integrated Approach. Boca Rato: Taylor & Francis, 2014.

एमएलए उद्धरण

Graves, Philip E. Environmental Economics: An Integrated Approach. Boca Rato: Taylor & Francis, 2014.