Hawken, W. R. (1962). Photocopying from bound volumes: A study of machines, methods and materials. Library Technology Project, American Library Association.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHawken, William R. Photocopying from Bound Volumes: A Study of Machines, Methods and Materials. Chicago: Library Technology Project, American Library Association, 1962.
एमएलए (9वां संस्करण) प्रशस्ति पत्रHawken, William R. Photocopying from Bound Volumes: A Study of Machines, Methods and Materials. Library Technology Project, American Library Association, 1962.
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