Richey, C. W. (1972). Forecasting real estate demand. Business Research Division, University of Colorado.
Lua i Stíl Chicago (17ú heag.)Richey, Clyde W. Forecasting Real Estate Demand. Boulder, Colo.: Business Research Division, University of Colorado, 1972.
Lua MLA (8ú heag.)Richey, Clyde W. Forecasting Real Estate Demand. Business Research Division, University of Colorado, 1972.
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