Hagstrom, R. G., & Rhoads, R. (2013). The Warren Buffett way workbook. Wiley.
Lua i Stíl Chicago (17ú heag.)Hagstrom, Robert G., agus Russell Rhoads. The Warren Buffett Way Workbook. Somerset, New Jersey: Wiley, 2013.
Lua MLA (9ú heag.)Hagstrom, Robert G., agus Russell Rhoads. The Warren Buffett Way Workbook. Wiley, 2013.
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