Fry (George) and Associates, Inc., Chicago. (1961). Study of circulation control systems: Public libraries, college and university libraries, special libraries. Library Technology Project of the American Library Association.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रFry (George) and Associates, Inc., Chicago. Study of Circulation Control Systems: Public Libraries, College and University Libraries, Special Libraries. Chicago: Library Technology Project of the American Library Association, 1961.
एमएलए (9वां संस्करण) प्रशस्ति पत्रFry (George) and Associates, Inc., Chicago. Study of Circulation Control Systems: Public Libraries, College and University Libraries, Special Libraries. Library Technology Project of the American Library Association, 1961.
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