एपीए उद्धरण

Botterill, D., & Platenkamp, V. (2012). Key concepts in tourism research. Sage.

शिकागो स्टाइल उद्धरण

Botterill, David, और Vincent Platenkamp. Key Concepts in Tourism Research. California: Sage, 2012.

एमएलए उद्धरण

Botterill, David, और Vincent Platenkamp. Key Concepts in Tourism Research. Sage, 2012.