edited by Nancie L. Gonzalez and Carolyn S. McCommon
Westview Press , 1989
Buku Teks
Fowkes, Ben, author
Palgrave, 2002
Buku Teks
edited by Stanislaw Grodz, Gina Gertrud Smith
Brill, 2014
eBooks
Samers, Michael, author
Routledge, 2017
Buku Teks
O`Donnell, Mike, author
Longman, 1991
Buku Teks