Brown, W. H., & Gilbert, C. E. 1. j. a. (1961). Planning municipal investments: A case study of Philadelphia, University of Philadelphia. University of Pennsylvania Press.
Chicago-viite (17. p.)Brown, W. H., ja Charles E. 1927- joint auth Gilbert. Planning Municipal Investments: A Case Study of Philadelphia, University of Philadelphia. Philadelphia: University of Pennsylvania Press, 1961.
MLA-viite (9. p.)Brown, W. H., ja Charles E. 1927- joint auth Gilbert. Planning Municipal Investments: A Case Study of Philadelphia, University of Philadelphia. University of Pennsylvania Press, 1961.
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