Não informado. (1971). Soap, cosmetics, chemical specialties. Macnair - Dorland.
Lua i Stíl Chicago (17ú heag.)Não informado. Soap, Cosmetics, Chemical Specialties. New York: Macnair - Dorland, 1971.
Lua MLA (8ú heag.)Não informado. Soap, Cosmetics, Chemical Specialties. Macnair - Dorland, 1971.
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