Mumford, L. (1939). Regional planning in the Pacific Northwest: A memorandum. Northwest regional council.
Cita Chicago Style (17a ed.)Mumford, Lewis. Regional Planning in the Pacific Northwest: A Memorandum. Portland, Or.: Northwest regional council, 1939.
Cita MLA (8a ed.)Mumford, Lewis. Regional Planning in the Pacific Northwest: A Memorandum. Northwest regional council, 1939.
Precaución: Estas citas no son 100% exactas.