Vicker, R. (1987). The Dow Jones-Irwin guide to retirement planning (2nd ed.). Dow-Jones-Irwin.
Cita Chicago (17th ed.)Vicker, Ray. The Dow Jones-Irwin Guide to Retirement Planning. 2nd ed. Homewood, Ill: Dow-Jones-Irwin, 1987.
Cita MLA (9th ed.)Vicker, Ray. The Dow Jones-Irwin Guide to Retirement Planning. 2nd ed. Dow-Jones-Irwin, 1987.
Atenció: Aquestes cites poden no estar 100% correctes.