Educational Foundation (National Restaurant Association). (1997). Aware: Employee and customer safety. The Foundation.
Cita Chicago (17th ed.)Educational Foundation (National Restaurant Association). Aware: Employee and Customer Safety. Chicago, Ill: The Foundation, 1997.
Cita MLA (9th ed.)Educational Foundation (National Restaurant Association). Aware: Employee and Customer Safety. The Foundation, 1997.
Atenció: Aquestes cites poden no estar 100% correctes.