APA (7th ed.) Zitazioa
Cooper, C., Fletcher, J., & Fyall, A. (2005). Tourism: Principles and practice (4th ed.). Prentice Hall.
Chicago Style (17th ed.) Zitazioa
Cooper, Chris, John Fletcher, eta Alan Fyall. Tourism: Principles and Practice. 4th ed. Harlow, England: Prentice Hall, 2005.
MLA (9th ed.) Zitazioa
Cooper, Chris, et al. Tourism: Principles and Practice. 4th ed. Prentice Hall, 2005.
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