National Municipal League. Committee on Metropolitan Government & Studenski, P. (1930). The government of metropolitan areas in the United States. National municipal league.
Citace podle Chicago (17th ed.)National Municipal League. Committee on Metropolitan Government a Paul Studenski. The Government of Metropolitan Areas in the United States. New York: National municipal league, 1930.
Citace podle MLA (8th ed.)National Municipal League. Committee on Metropolitan Government a Paul Studenski. The Government of Metropolitan Areas in the United States. National municipal league, 1930.
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