Felicia Triwahyuni
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2003
UI - Tesis Membership
Yudi Pramudiana
Remaja Rosdakarya, 2016
Buku Teks
Holm, Sheila
Ufuk Press, 2010
Buku Teks SO
Crego, Edwin T.
[American Management Association;, ], 1995
eBooks
Sugiharto
2009
UI - Tesis Open