Hammond, J. (1996). The stuff Americans are made of: The seven cultural forces that define Americans--a new framework for quality, productivity, and profitability. New York: Macmillan USA.

Hammond, Josh. The Stuff Americans Are Made Of: The Seven Cultural Forces That Define Americans--a New Framework for Quality, Productivity, and Profitability. New York: Macmillan USA, 1996.

Hammond, Josh. The Stuff Americans Are Made Of: The Seven Cultural Forces That Define Americans--a New Framework for Quality, Productivity, and Profitability. New York: Macmillan USA, 1996.