KOTLER, P. (2003). Marketing for hospitality and tourism. Prentice Hall.
Chicago Style aipamenaKOTLER, Philip. Marketing for Hospitality and Tourism. Prentice Hall, 2003.
MLA aipamenaKOTLER, Philip. Marketing for Hospitality and Tourism. Prentice Hall, 2003.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.