Ziegler, P. T. (1953). The meat we eat (4th ed.). Danville, Ill.: Interstate Printers and Publishers.
Παραπομπή Chicago StyleZiegler, Percival Thomas. The Meat We Eat. 4th ed. Danville, Ill.: Interstate Printers and Publishers, 1953.
Παραπομπή MLAZiegler, Percival Thomas. The Meat We Eat. 4th ed. Danville, Ill.: Interstate Printers and Publishers, 1953.
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