Hawkins, Peter
Supervision in the helping professions: an individual, group and organizational approach
Open University Press, 2005
 Buku Teks
Supervising counsellors : issues of responsibility
Sue Wheeler, David King
Sage Publications, 2001
 Buku Teks
Ethics and community in the health care professions
edited by Michael Parker
Routledge , 1999
 Buku Teks
Current issues in business ethics
edited by Peter W.F. Davies
Routledge, 1997
 Buku Teks
Kerridge, Ian
Ethics and law for the health professions
Social Science Press, 1998
 Buku Teks