Shaw, Ros Byam, author
Page One Publishing, 2001
Buku Referensi
Indri Rachmadila, author
Fakultas Ilmu Sosial dan Ilmu Politik Universitas Indonesia, 2009
UI - Skripsi (Open)
edited by Katie Scott and Deborah Cherry
Blackwell Publishing, 2005
Buku Teks
Meilach, Dona Z
Reilly & Lee , 1969
Buku Teks
Irmawati Marwoto, author
2003
UI - Disertasi (Membership)