Hamilton, B. A., & Brown, E. R. (1973). Libraries and information centers in the Chicago metropolitan area. Illinois Regional Library Council.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHamilton, Beth A., और Eva R. Brown. Libraries and Information Centers in the Chicago Metropolitan Area. Hinsdale: Illinois Regional Library Council, 1973.
एमएलए (8वां संस्करण) प्रशस्ति पत्रHamilton, Beth A., और Eva R. Brown. Libraries and Information Centers in the Chicago Metropolitan Area. Illinois Regional Library Council, 1973.
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