Angelo, R. M., & Vladimir, A. N. (2007). Hospitality today: An introduction (6th ed.). Educational Institute of the American Hotel & Motel Lodging Association.
Chicago-viite (17. p.)Angelo, Rocco M., ja Andrew N. Vladimir. Hospitality Today: An Introduction. 6th ed. Lansing, Mich: Educational Institute of the American Hotel & Motel Lodging Association, 2007.
MLA-viite (9. p.)Angelo, Rocco M., ja Andrew N. Vladimir. Hospitality Today: An Introduction. 6th ed. Educational Institute of the American Hotel & Motel Lodging Association, 2007.
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