World Health Organization & World Health Organization. Disinfectants and disinfectant by-products.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWorld Health Organization और World Health Organization. Disinfectants and Disinfectant By-products.
एमएलए (8वां संस्करण) प्रशस्ति पत्रWorld Health Organization और World Health Organization. Disinfectants and Disinfectant By-products.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.