Fischer, Donald E., author
Prentice-Hall, 1991
Buku Teks
edited by Greg N. Gregoriou
Academic Press, 2013
eBooks
Agung Pratama, author
Fakultas Ilmu Administrasi Universitas Indonesia, 2018
UI - Skripsi (Membership)
Imam Prayogo Suryohadibroto, author
Rineka Cipta, 1995
Buku Teks
Francis, Jack Clark, author
McGraw-Hill, 1991
Buku Teks