APA Style
Goeldner, C, R., Ritchie, J, B. (2012).
Tourism: Principles, Practices, Philosophies (12th ed.).
Hoboken, New Jersey:
John Wiley & Sons, Inc.
MLA Style
Goeldner, Charles, R.., Ritchie, J.R., Brent.
"Tourism: Principles, Practices, Philosophies".
12th ed.
Hoboken, New Jersey:
John Wiley & Sons, Inc,
2012.
Text.