Foster, Steve, author
Oxford university press, 2012
Buku Teks
Embassy of the United States of America, 1998
Buku Teks
Fauzi Abdullah, author
Pustaka Sinar Harapan, 1981
Buku Teks
National Concil for Civil Liberties with Pluto Press, 1994
Buku Teks
co-edited by Jack L. Nelson and Vera M. Green
Human Rights Publishing Group, 1980
Buku Teks