co-edited by Jack L. Nelson and Vera M. Green
Human Rights Publishing Group, 1980
Buku Teks
Zed Books Ltd., 1988
Buku Teks
Chapman and Hall , 1990
Buku Teks
Sarmento, Anabela, author
IRM Press, 2005
Buku Teks
Cummings, Michael R., author
Brooks/Cole, Cengage Learning, 2011
Buku Teks