Alexander, Roy, 1925- , author
American Management Association;, 2009
eBooks
Chrispinus Dimpudus, author
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 1997
UI - Tesis (Membership)
Silmi Mustachfiroh Syahma Yani, author
Fakultas Psikologi Universitas Indonesia, 2006
UI - Tesis (Membership)
Jennings, Eugene E., author
Harper & Row, 1962
Buku Teks
Bennett, Willard E., author
McGraw-Hill, 1959
Buku Teks