Mancini, M. (2003). Connecting with customers: How to sell, service and market the travel product. Prentice Hall.
Chicago-tyylinen lähdeviittausMancini, Marc. Connecting with Customers: How to Sell, Service and Market the Travel Product. New Jersey: Prentice Hall, 2003.
MLA-viiteMancini, Marc. Connecting with Customers: How to Sell, Service and Market the Travel Product. Prentice Hall, 2003.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.