Sully, Philippa
Elsevier, 2005
Buku Teks
edited by David Partington
Sage, 2002
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Sully, Philippa
Mosby Elsevier, 2010
Buku Teks
edited by Linda Louise Childs, Lesley Coles, Barbara Marjoram
Wiley-Blackwell, 2009
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Manktelow, James
Signal House, 2004
Buku Teks