Blankley, T. (2009). American grit: What it will take to survive and win in the 21st century. Regnery Pub. Inc..
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Citação norma Chicago
Blankley, Tony. American Grit: What It Will Take to Survive and Win in the 21st Century. Washington, D.C.: Regnery Pub. Inc., 2009.
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Citação norma MLA
Blankley, Tony. American Grit: What It Will Take to Survive and Win in the 21st Century. Regnery Pub. Inc., 2009.
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Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.