Bradley, J. T., & Guthrie, J. A. (1953). An analysis of convention business in Washington State: A sample survey of five cities. State College of Washington, School of Economics and Business, Bureau of Economic Research.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBradley, Joseph Thomas, और John Alexander Guthrie. An Analysis of Convention Business in Washington State: A Sample Survey of Five Cities. Pullman: State College of Washington, School of Economics and Business, Bureau of Economic Research, 1953.
एमएलए (8वां संस्करण) प्रशस्ति पत्रBradley, Joseph Thomas, और John Alexander Guthrie. An Analysis of Convention Business in Washington State: A Sample Survey of Five Cities. State College of Washington, School of Economics and Business, Bureau of Economic Research, 1953.
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