Não informado. (1972). International Cataloguing. International Federation of Library Associations.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. International Cataloguing. London: International Federation of Library Associations, 1972.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. International Cataloguing. International Federation of Library Associations, 1972.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.