Taxman, Faye S.
Springer, 2012
eBooks
Rasmussen, Sandra, author
Sage, 2000
Buku Teks
Bayens, Gerald, author
McGraw-Hill, 2013
Buku Teks
edited by Marc Galanter and Herbert D. Kleber
American Psychiatric Press, 1994
Buku Teks
edited by Robert Holman Coombs
Sage, 2001
Buku Referensi