Não informado. (1950). Prevention: A magazine devoted to the conservation of human health. Rodale Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Prevention: A Magazine Devoted to the Conservation of Human Health. Emmaus, Pa: Rodale Press, 1950.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Prevention: A Magazine Devoted to the Conservation of Human Health. Rodale Press, 1950.
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