Educational Foundation (National Restaurant Association). (1997). Aware: Employee and customer safety. The Foundation.
Chicago Style aipamenaEducational Foundation (National Restaurant Association). Aware: Employee and Customer Safety. Chicago, Ill: The Foundation, 1997.
MLA aipamenaEducational Foundation (National Restaurant Association). Aware: Employee and Customer Safety. The Foundation, 1997.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.