Loinda K. Stroh, J. Steward Balck, Mark E. Mendenhall
Mahwah, 2005
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Chrispinus Dimpudus
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 1997
UI - Tesis Membership
Silmi Mustachfiroh Syahma Yani
Fakultas Psikologi Universitas Indonesia, 2006
UI - Tesis Membership
by the editors of Fortune
Doubleday, 1956
Buku Teks
Jennings, Eugene E.
Harper & Row, 1962
Buku Teks