एपीए उद्धरण

Andrews, S. (2007). Introduction to tourism and hospitality industry. New Delhi: McGraw-Hill.

शिकागो स्टाइल उद्धरण

Andrews, Sudhir. Introduction to Tourism and Hospitality Industry. New Delhi: McGraw-Hill, 2007.

एमएलए उद्धरण

Andrews, Sudhir. Introduction to Tourism and Hospitality Industry. New Delhi: McGraw-Hill, 2007.