Ruff, H. J. (1984). Making money: Winning the battle for middle class financial success. Simon and Schuster.
Cita Chicago (17th ed.)Ruff, Howard J. Making Money: Winning the Battle for Middle Class Financial Success. New York: Simon and Schuster, 1984.
Cita MLA (9th ed.)Ruff, Howard J. Making Money: Winning the Battle for Middle Class Financial Success. Simon and Schuster, 1984.
Atenció: Aquestes cites poden no estar 100% correctes.