Hayes, James L., author
Memos for management leadership
Amacom , 1983
 Buku Teks
Bellows, Roger
Creative leadership / Roger Bellows
Prentice-Hall, 1959
 Buku Teks
Gordon, Robert Aaron, author
Business leadership in the large corporation
The Brookings Institution, 1945
 Buku Teks
Urwick, Lyndall F., author
Leadership in the twentieth century
Pitman Publishing Corporation , 1958
 Buku Teks
Shinn, George
Leadership development/ George Shina
McGraw-HIll , 1986
 Buku Teks
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