Elgin, D. (1974). City size and the quality of life: An analysis of the policy implications of continued population concentration. Washington, D.C: National Science Foundation.
Παραπομπή Chicago StyleElgin, Duane. City Size and the Quality of Life: An Analysis of the Policy Implications of Continued Population Concentration. Washington, D.C: National Science Foundation, 1974.
Παραπομπή MLAElgin, Duane. City Size and the Quality of Life: An Analysis of the Policy Implications of Continued Population Concentration. Washington, D.C: National Science Foundation, 1974.
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