Παραπομπή APA
Witzky, H. K. (1975). The labor-management relations handbook for hotels, motels, restaurants, and institutions. Boston: Cahners Books.
Παραπομπή Chicago StyleWitzky, Herbert K. The Labor-management Relations Handbook for Hotels, Motels, Restaurants, and Institutions. Boston: Cahners Books, 1975.
Παραπομπή MLAWitzky, Herbert K. The Labor-management Relations Handbook for Hotels, Motels, Restaurants, and Institutions. Boston: Cahners Books, 1975.
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