Hsu, C. H. C., & Powers, T. F. (2002). Marketing hospitality (3rd ed.). John Wiley.
Chicago Style aipamenaHsu, Cathy H. C., and Thomas F. Powers. Marketing Hospitality. 3rd ed. New York: John Wiley, 2002.
MLA aipamenaHsu, Cathy H. C., and Thomas F. Powers. Marketing Hospitality. 3rd ed. John Wiley, 2002.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.