Não informado. SOAP AND SANITARY CHEMICALS. Macnair - Dorland.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. SOAP AND SANITARY CHEMICALS. New York: Macnair - Dorland.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. SOAP AND SANITARY CHEMICALS. Macnair - Dorland.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.