McGraw-Hill , 1986
Buku Teks
Muhammad Fadil, author
2013
UI - Tesis (Membership)
Page, Susan
American Management Association, 2016
Buku Teks
Page, Susan, author
[American Management Association;, ], 2010
eBooks
Angga Adriwinanto, author
Fakultas Ilmu Sosial dan Ilmu Politik Universitas Indonesia, 2019
UI - Skripsi (Membership)