Boulding, K. E. Economics analysis, fourth edition Macroeconomics. Harper and Row.
Lua i Stíl Chicago (17ú heag.)Boulding, Kenneth E. Economics Analysis, Fourth Edition Macroeconomics. Harper and Row.
Lua MLA (8ú heag.)Boulding, Kenneth E. Economics Analysis, Fourth Edition Macroeconomics. Harper and Row.
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