Sully, Philippa, author
Elsevier, 2005
Buku Teks
Sully, Philippa
Mosby Elsevier, 2010
Buku Teks
edited by David Partington
Sage, 2002
Buku Teks
Norton, Barbara A.
Appleton-Century-Crofts , 1986
Buku Teks
Boyd, Claire, author
Wiley Blackwell, 2014
Buku Teks