Morrison, A. M. (2010). Hospitality & travel marketing (4th ed.). Delmar.
Chicago Style aipamenaMorrison, Alastair M. Hospitality & Travel Marketing. 4th ed. Australia: Delmar, 2010.
MLA aipamenaMorrison, Alastair M. Hospitality & Travel Marketing. 4th ed. Delmar, 2010.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.