Ruff, H. J. (2004). Safely prosperous or really rich: Choosing your personal financial heaven. Wiley.
Cita Chicago Style (17a ed.)Ruff, Howard J. Safely Prosperous or Really Rich: Choosing Your Personal Financial Heaven. Hoboken, N.J.: Wiley, 2004.
Cita MLA (8a ed.)Ruff, Howard J. Safely Prosperous or Really Rich: Choosing Your Personal Financial Heaven. Wiley, 2004.
Precaución: Estas citas no son 100% exactas.