Mankiw, N. G. (2012). Principles of economics 6th ed. South-Western.
Lua i Stíl Chicago (17ú heag.)Mankiw, N. Gregory. Principles of Economics 6th Ed. South-Western, 2012.
Lua MLA (8ú heag.)Mankiw, N. Gregory. Principles of Economics 6th Ed. South-Western, 2012.
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