Não informado. (1965). Research in Librarianship. Office of Research in Librarianship.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Research in Librarianship. Oldham, Inglaterra: Office of Research in Librarianship, 1965.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Research in Librarianship. Office of Research in Librarianship, 1965.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.