Ruff, H. J. (2004). Safely prosperous or really rich: Choosing your personal financial heaven. Hoboken, N.J: Wiley.
Dyfyniad Arddull ChicagoRuff, Howard J. Safely Prosperous or Really Rich: Choosing Your Personal Financial Heaven. Hoboken, N.J: Wiley, 2004.
Dyfyniad MLARuff, Howard J. Safely Prosperous or Really Rich: Choosing Your Personal Financial Heaven. Hoboken, N.J: Wiley, 2004.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.