Chaniago, Andrinof Achir
Universitas Paramadina dan Center for political studies FISIP UI, 2006
Buku Teks
Teguh Prayogo Sudarmanto
Universitas Indonesia, 2013
UI - Skripsi Membership
Huntington, Samuel P.
Simon & Schuster, 2005
Buku Teks
Sugar, Steve
[American Society for Training and Development Press, American Society for Training and Development Press], 2000
eBooks
Fredericks, Pierce
E.P. Dutton, 1960
Buku Teks