Collison, R. L. (1968). Bibliographies, subject and national: A guide to their contents, arrangement and use (3rd ed.). C. Lockwood.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCollison, Robert Lewis. Bibliographies, Subject and National: A Guide to Their Contents, Arrangement and Use. 3rd ed. London: C. Lockwood, 1968.
एमएलए (8वां संस्करण) प्रशस्ति पत्रCollison, Robert Lewis. Bibliographies, Subject and National: A Guide to Their Contents, Arrangement and Use. 3rd ed. C. Lockwood, 1968.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.