एपीए उद्धरण

Bhatt Harish. (2006). Sustainable Tourism/1e. Crescent.

शिकागो स्टाइल उद्धरण

Bhatt Harish. Sustainable Tourism/1e. New Delhi: Crescent, 2006.

एमएलए उद्धरण

Bhatt Harish. Sustainable Tourism/1e. Crescent, 2006.