एपीए उद्धरण

Walker, R., & Harding, K. (2006). Tourism 1 (Student's book). Oxford: Oxford University Press.

शिकागो स्टाइल उद्धरण

Walker, Robin, और Keith Harding. Tourism 1 (Student's Book). Oxford: Oxford University Press, 2006.

एमएलए उद्धरण

Walker, Robin, और Keith Harding. Tourism 1 (Student's Book). Oxford: Oxford University Press, 2006.