Não informado. (1958). American Industrial Hygiene Association Journal. American Industrial Hygiene Association.
Lua i Stíl Chicago (17ú heag.)Não informado. American Industrial Hygiene Association Journal. Akron, Ohio: American Industrial Hygiene Association, 1958.
Lua MLA (8ú heag.)Não informado. American Industrial Hygiene Association Journal. American Industrial Hygiene Association, 1958.
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