Artikel Jurnal
Fakultas Ilmu Sosial dan Ilmu Politik Universitas Indonesia, 2010
UI - Skripsi (Open)
edited by Mark J. Jackson
ASM International, 2006
eBooks
Banfield, Edward C., author
Random House, 1967
Buku Teks
Shapiro, Eileen C., author
Tian Xia Wen Hua,, 1997
Buku Teks