एपीए उद्धरण

Eugine,T. (2007). Environmental economics. Vrinda Publications.

शिकागो स्टाइल उद्धरण

Eugine,T. Environmental Economics. New Delhi: Vrinda Publications, 2007.

एमएलए उद्धरण

Eugine,T. Environmental Economics. Vrinda Publications, 2007.