Peurifoy, Reneau Z.
Warner Books, 2005
Buku Teks
Ryan, Barbara
Brooks/Cole Cengage Learning, 2013
Buku Teks
Thompson E. Davis III, Thomas H. Ollendick, Lars-Goran Ost, editors
[Springer, ], 2012
eBooks
Ballenger, James C.
Mosby , 2003
Buku Teks
Morgan, Gareth, 1943-
SAGE Publications, Inc, 2006
Buku Teks