एपीए उद्धरण

KN Ninan. (2007). The economics of biodiversity conservation; valuation in tropical forest ecosystems. Earthscan.

शिकागो स्टाइल उद्धरण

KN Ninan. The Economics of Biodiversity Conservation; Valuation in Tropical Forest Ecosystems. London: Earthscan, 2007.

एमएलए उद्धरण

KN Ninan. The Economics of Biodiversity Conservation; Valuation in Tropical Forest Ecosystems. Earthscan, 2007.