Library, N. (1966). Subject catalogue of printed books in European languages 1951-1961. Librarian, National Library.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रLibrary, National. Subject Catalogue of Printed Books in European Languages 1951-1961. Librarian, National Library, 1966.
एमएलए (9वां संस्करण) प्रशस्ति पत्रLibrary, National. Subject Catalogue of Printed Books in European Languages 1951-1961. Librarian, National Library, 1966.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.