Não informado. (2021). Recent Developments. Council on Library Resources.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Recent Developments. Washington: Council on Library Resources, 2021.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Recent Developments. Council on Library Resources, 2021.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.