Forst, Brian, author
Cambridge University Press, 2009
eBooks
Simonsen, Clifford E., author
Pearson/Prentice Hall, 2004
Buku Teks
Howard, Russell D., 1946-, author
McGraw-Hill, 2012
Buku Teks
Spaaij, Ramon
Springer, 2012
eBooks
Rudy Rudolf Valentino, author
Fakultas Ilmu Sosial dan Ilmu Politik Universitas Indonesia, 2013
UI - Tesis (Membership)