Harmon, F. G. (1996). Playing for keeps: How the world's most aggressive and admired companies use core values to manage, energize, and organize their people and promote, advance, and achieve their corporate missions. J. Wiley.
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)Harmon, Frederick G. Playing for Keeps: How the World's Most Aggressive and Admired Companies Use Core Values to Manage, Energize, and Organize Their People and Promote, Advance, and Achieve Their Corporate Missions. New York: J. Wiley, 1996.
Trích dẫn kiểu MLA (xuất bản lần thứ 8)Harmon, Frederick G. Playing for Keeps: How the World's Most Aggressive and Admired Companies Use Core Values to Manage, Energize, and Organize Their People and Promote, Advance, and Achieve Their Corporate Missions. J. Wiley, 1996.
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