Williams, K. (1975). Statistics and urban planning: Based on papers presented at the Eighth General Meeting of the International Association of Municipal Statisticians held at Helsinki in 1972. London: Charles Knight & Company.
Παραπομπή Chicago StyleWilliams, Ken. Statistics and Urban Planning: Based On Papers Presented At the Eighth General Meeting of the International Association of Municipal Statisticians Held At Helsinki in 1972. London: Charles Knight & Company, 1975.
Παραπομπή MLAWilliams, Ken. Statistics and Urban Planning: Based On Papers Presented At the Eighth General Meeting of the International Association of Municipal Statisticians Held At Helsinki in 1972. London: Charles Knight & Company, 1975.
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