APA (7th ed.) Zitazioa
ebrary, Inc, & Jayawardena, C. (2004). World hospitality and tourism trends. Emerald Group Publishing.
Chicago Style (17th ed.) Zitazioa
ebrary, Inc, eta Chandana Jayawardena. World Hospitality and Tourism Trends. Bradford, England: Emerald Group Publishing, 2004.
MLA (9th ed.) Zitazioa
ebrary, Inc, eta Chandana Jayawardena. World Hospitality and Tourism Trends. Emerald Group Publishing, 2004.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.