North Virginia Regional Planning and Economic Development Commission. (1965). Roadside preservation of scenic, historic, natural areas. s.n.
Citace podle Chicago (17th ed.)North Virginia Regional Planning and Economic Development Commission. Roadside Preservation of Scenic, Historic, Natural Areas. Arlington, Va: s.n, 1965.
Citace podle MLA (9th ed.)North Virginia Regional Planning and Economic Development Commission. Roadside Preservation of Scenic, Historic, Natural Areas. s.n, 1965.
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