एपीए उद्धरण

(1976). Environmental economics. Volume 2. Methods. Martinus Nijhoff.

शिकागो स्टाइल उद्धरण

Environmental Economics. Volume 2. Methods. Leiden: Martinus Nijhoff, 1976.

एमएलए उद्धरण

Environmental Economics. Volume 2. Methods. Martinus Nijhoff, 1976.