Keys, S. (1964). Urban and regional studies at U.S. universities: A report based on a 1963 survey of urban and regional research. Baltimore: Committee on Urban Economics of Resources for the Future.
Παραπομπή Chicago StyleKeys, Scott. Urban and Regional Studies At U.S. Universities: A Report Based On a 1963 Survey of Urban and Regional Research. Baltimore: Committee on Urban Economics of Resources for the Future, 1964.
Παραπομπή MLAKeys, Scott. Urban and Regional Studies At U.S. Universities: A Report Based On a 1963 Survey of Urban and Regional Research. Baltimore: Committee on Urban Economics of Resources for the Future, 1964.
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