Gellner, Ernest, author
Mizan, 1992
Buku Teks
Azhari Mayondhika, author
Universitas Indonesia, 2012
UI - Skripsi (Open)
edited by Elizabeth M. Dowling, W. George Scarlett
Sage Publications, 2006
Buku Referensi
Sharma, Arvind, author
Springer, 2011
eBooks
Stern, Jessica, author
An Imprint of Harper Collins Publishers, 2003
Buku Teks