Boniface, B. G., & Cooper, C. P. (2009). Worldwide destinations casebook: The geography of travel and tourism (2nd ed.). Elsevier Butterworth Heinemann.
Chicago Style aipamenaBoniface, Brian G., and Christopher P. Cooper. Worldwide Destinations Casebook: The Geography of Travel and Tourism. 2nd ed. Amsterdam: Elsevier Butterworth Heinemann, 2009.
MLA aipamenaBoniface, Brian G., and Christopher P. Cooper. Worldwide Destinations Casebook: The Geography of Travel and Tourism. 2nd ed. Elsevier Butterworth Heinemann, 2009.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.