एपीए उद्धरण

Sarvjeet Singh. (2009). Eco-tourism development management. A K Publications.

शिकागो स्टाइल उद्धरण

Sarvjeet Singh. Eco-tourism Development Management. New Delhi: A K Publications, 2009.

एमएलए उद्धरण

Sarvjeet Singh. Eco-tourism Development Management. A K Publications, 2009.