Não informado. (2018). Population Reports. George Washington University, Department of Medical and Public Affairs.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Population Reports. Washington: George Washington University, Department of Medical and Public Affairs, 2018.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Population Reports. George Washington University, Department of Medical and Public Affairs, 2018.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.