Giles, Judy, author
Blacwell Publisher, 2008
Buku Teks
Kukkonen, Karin, 1980-, author
Wiley Blackwell, 2013
Buku Teks
Edited by Kevin McConway and Basiro Davey
Open UNiversity Press, 2003
Buku Teks
editor, Bert Kaplan
Harper & Row, 1961
Buku Teks
edited by Ivor F. Goodson
Routledge, 1992
Buku Teks