एपीए उद्धरण

Pruthi, R. (2006). Nature based tourism. Rajat publications.

शिकागो स्टाइल उद्धरण

Pruthi, R.K. Nature Based Tourism. New Delhi: Rajat publications, 2006.

एमएलए उद्धरण

Pruthi, R.K. Nature Based Tourism. Rajat publications, 2006.