Citace podle APA (7th ed.)

United States. National Capital Park and Planning Commission. (1950). Open spaces and community services: A portion of the comprehensive plan for the national capital and its environs. The Commission.

Citace podle Chicago (17th ed.)

United States. National Capital Park and Planning Commission. Open Spaces and Community Services: A Portion of the Comprehensive Plan for the National Capital and Its Environs. Washington: The Commission, 1950.

Citace podle MLA (8th ed.)

United States. National Capital Park and Planning Commission. Open Spaces and Community Services: A Portion of the Comprehensive Plan for the National Capital and Its Environs. The Commission, 1950.

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