एपीए उद्धरण

Corvalan, C. (2005). Ecosystems and human well - being. WHO.

शिकागो स्टाइल उद्धरण

Corvalan, Carlos. Ecosystems and Human Well - Being. Geneva: WHO, 2005.

एमएलए उद्धरण

Corvalan, Carlos. Ecosystems and Human Well - Being. WHO, 2005.