एपीए उद्धरण

Costanza, R. (2015). Introduction to ecological economics (2nd ed.). CRC Press.

शिकागो स्टाइल उद्धरण

Costanza, Robert....[et.al]. Introduction to Ecological Economics. 2nd ed. Boca Raton: CRC Press, 2015.

एमएलए उद्धरण

Costanza, Robert....[et.al]. Introduction to Ecological Economics. 2nd ed. CRC Press, 2015.