BROWN, W. S. (1988). Macroeconomics William S. Brown. Prentice-Hall.
Lua i Stíl Chicago (17ú heag.)BROWN, William S. Macroeconomics William S. Brown. Prentice-Hall, 1988.
Lua MLA (8ú heag.)BROWN, William S. Macroeconomics William S. Brown. Prentice-Hall, 1988.
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