एपीए उद्धरण

Sharma. Jitendra K. (2010). Handbook of envionmental and nature-based tourism. kanishaka publishers.

शिकागो स्टाइल उद्धरण

Sharma. Jitendra K. Handbook of Envionmental and Nature-based Tourism. Newdelhi: kanishaka publishers, 2010.

एमएलए उद्धरण

Sharma. Jitendra K. Handbook of Envionmental and Nature-based Tourism. kanishaka publishers, 2010.