Bernard, Janine
Fundamentals of clinical supervision
Allyn and Bacon , 1998
 Buku Teks
Hawkins, Peter
Supervision in the helping professions: an individual, group and organizational approach
Open University Press, 2005
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Britain : an official handbook
Her Majesty's Stationery Office, 1955
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Bromhead, Peter
Life in modern Britain / Peter Bromhead
Longman, 1992
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Chesterton, Gilbert Keith, 1874-1936
A short history of England
Chatto , 1951
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