Davis, S. M., & Meyer, C. (2000). Future wealth. Harvard Business School.
Dyfyniad Arddull ChicagoDavis, Stanley M., and Christopher Meyer. Future Wealth. Boston: Harvard Business School, 2000.
Dyfyniad MLADavis, Stanley M., and Christopher Meyer. Future Wealth. Harvard Business School, 2000.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.