BURNS, A. F. (1954). The Frontiers Of Economics Knowledge Arthur F. Burns. National Bureau of Economic Re.
Lua i Stíl Chicago (17ú heag.)BURNS, Arthur F. The Frontiers Of Economics Knowledge Arthur F. Burns. National Bureau of Economic Re, 1954.
Lua MLA (8ú heag.)BURNS, Arthur F. The Frontiers Of Economics Knowledge Arthur F. Burns. National Bureau of Economic Re, 1954.
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