Waud, R. N. (1989). Macroeconomics Roger N. Waud. Harper & Row.
Lua i Stíl Chicago (17ú heag.)Waud, Roger N. Macroeconomics Roger N. Waud. Harper & Row, 1989.
Lua MLA (8ú heag.)Waud, Roger N. Macroeconomics Roger N. Waud. Harper & Row, 1989.
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