APA aipamena

(2009). Worldwide hospitality and tourism themes. Emerald Group Publishing.

Chicago Style aipamena

Worldwide Hospitality and Tourism Themes. [Bingley, U.K.]: Emerald Group Publishing, 2009.

MLA aipamena

Worldwide Hospitality and Tourism Themes. Emerald Group Publishing, 2009.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.