Williams, Raymond, author
Oxford University Press , 1983
Buku Teks
Bauer, Lauria
London : Routledge, 1998
Buku Teks
Morgan, John, 1944-2004, author
Oxford University Press, 1990
Buku Teks
edited by Sohn Ho-min
University of Hawaii, 2006
Buku Teks
Japan : Center for International Cultural Studies and Education, Josai University
Majalah, Jurnal, Buletin