Não informado. (2022). Monthly Bulletin on Scientific Documentation and Terminology. United Nations Educational, Scientific and Cultural Organization (Unesco).
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Monthly Bulletin on Scientific Documentation and Terminology. Paris: United Nations Educational, Scientific and Cultural Organization (Unesco), 2022.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Monthly Bulletin on Scientific Documentation and Terminology. United Nations Educational, Scientific and Cultural Organization (Unesco), 2022.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.