McIntyre-Mills, Janet, author
Kluwer Academic, 2003
Buku Teks
Arrigo, Bruce A., author
West/Wadsworth, 1999
Buku Teks
edited by Grace J. Kelleher
John Wiley & Sons, 1970
Buku Teks
Dominelli, Lena, author
Polity Press, 2012
Buku Teks
Margai, Florence M., author
Earthscan , 2010
Buku Teks