editor, Jonathan M. Mann
Routledge, 1999
Buku Teks
Litle Brown & Co, 1978
Buku Teks
edited by Basiro Davey, Alastair Gray, Clive Seale
Open University Press, 2001
Buku Teks
editor, David F. Marks
Sage Publications, 2002
Buku Teks SO
edited by Jenny Douglas
Sage, 2007
Buku Teks