George, B. (2019). Food and Beverage Service and Management (14th.). Jaico.
Chicago-viite (17. p.)George, Bobby. Food and Beverage Service and Management. 14th. Jaico, 2019.
MLA-viite (9. p.)George, Bobby. Food and Beverage Service and Management. 14th. Jaico, 2019.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.