Encyclopedia of practical management 1 : leadership
by Walter J. Wadsworth
Gemini Books, 2000
Buku Referensi
Koestenbaum, Peter
Leadership
Jossey-Bass Publishers, 1991
Buku Teks
Burns, James McGregor
Leadership
Harper and Row, 1978
Buku Teks
Manning, George, 1943-
The art of leadership
McGraw-Hill, 2015
Buku Teks
Leadership roles...
Buku Teks