एपीए उद्धरण

Bhardwaj, D. (2006). International tourism issues and challenges. Kanishka.

शिकागो स्टाइल उद्धरण

Bhardwaj, D.S. International Tourism Issues and Challenges. NewDelhi: Kanishka, 2006.

एमएलए उद्धरण

Bhardwaj, D.S. International Tourism Issues and Challenges. Kanishka, 2006.