FRANK, R. H. (2013). Principles of Economics 5th ed. Mc GrawHill.
Cita Chicago Style (17a ed.)FRANK, Robert H. Principles of Economics 5th Ed. Mc GrawHill, 2013.
Cita MLA (8a ed.)FRANK, Robert H. Principles of Economics 5th Ed. Mc GrawHill, 2013.
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