World Health Organization. (2011). Guide to ship sanitation. World Health Organization.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWorld Health Organization. Guide to Ship Sanitation. Geneva, Switzerland: World Health Organization, 2011.
एमएलए (8वां संस्करण) प्रशस्ति पत्रWorld Health Organization. Guide to Ship Sanitation. World Health Organization, 2011.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.