Não informado. (1958). American Industrial Hygiene Association Journal. American Industrial Hygiene Association.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. American Industrial Hygiene Association Journal. Akron, Ohio: American Industrial Hygiene Association, 1958.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. American Industrial Hygiene Association Journal. American Industrial Hygiene Association, 1958.
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