Zwecher, M. J. (2010). Retirement portfolios workbook: Theory, construction, and management. John Wiley & Sons, Ltd..
Lua i Stíl Chicago (17ú heag.)Zwecher, Michael J. Retirement Portfolios Workbook: Theory, Construction, and Management. Hoboken, NJ: John Wiley & Sons, Ltd., 2010.
Lua MLA (9ú heag.)Zwecher, Michael J. Retirement Portfolios Workbook: Theory, Construction, and Management. John Wiley & Sons, Ltd., 2010.
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