(1960). Motels, hotels, restaurants, and bars (2nd ed.). New York: McGraw-Hill Book Company.
Παραπομπή Chicago StyleMotels, Hotels, Restaurants, and Bars. 2nd ed. New York: McGraw-Hill Book Company, 1960.
Παραπομπή MLAMotels, Hotels, Restaurants, and Bars. 2nd ed. New York: McGraw-Hill Book Company, 1960.
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