Smith, V. L., & Brent, M. (2001). Hosts and guests revisited: Tourism issues of the 21st century. Cognizant Communication.
Παραπομπή σε μορφή Chicago (17η εκδ.)Smith, Valene L., και Maryann Brent. Hosts and Guests Revisited: Tourism Issues of the 21st Century. New York: Cognizant Communication, 2001.
Παραπομπή σε μορφή MLA (9th εκδ.)Smith, Valene L., και Maryann Brent. Hosts and Guests Revisited: Tourism Issues of the 21st Century. Cognizant Communication, 2001.
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