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Lua i Stíl Chicago (17ú heag.)National Planning Association Center for Economic Projections. Requirements for Regional and National Economic Growth: Proceedings [of the] Fifth Annual Conference on the Center for Economic Projections. Washington, D.C: [Center for Economic Projections], 1963.
Lua MLA (9ú heag.)National Planning Association Center for Economic Projections. Requirements for Regional and National Economic Growth: Proceedings [of the] Fifth Annual Conference on the Center for Economic Projections. [Center for Economic Projections], 1963.