Marriott, N. G. (1989). Principles of food sanitation. New York: AVI Book.
Trích dẫn kiểu ChicagoMarriott, Norman G. Principles of Food Sanitation. New York: AVI Book, 1989.
Deismireacht MLAMarriott, Norman G. Principles of Food Sanitation. New York: AVI Book, 1989.
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