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
Whitaker, Ellen
Taunton Press, 1999
Buku Referensi