Porras Jerry. (2007). Success Built to Last: Creating a life that matters. Wharton School Publishing / Pearson Power.
Chicago-viite (17. p.)Porras Jerry. Success Built to Last: Creating a Life That Matters. india: Wharton School Publishing / Pearson Power, 2007.
MLA-viite (9. p.)Porras Jerry. Success Built to Last: Creating a Life That Matters. Wharton School Publishing / Pearson Power, 2007.
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