Starr, N. S. (2000). Viewpoint: An introduction to travel, tourism, and hospitality (3rd ed.). Upper Saddle River, NJ: Prentice Hall.
Chicago-tyylinen lähdeviittausStarr, Nona S. Viewpoint: An Introduction to Travel, Tourism, and Hospitality. 3rd ed. Upper Saddle River, NJ: Prentice Hall, 2000.
MLA-viiteStarr, Nona S. Viewpoint: An Introduction to Travel, Tourism, and Hospitality. 3rd ed. Upper Saddle River, NJ: Prentice Hall, 2000.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.