Wolper, Lawrence F., author
Jones and Bartlett, 2011
Buku Teks
Smyth, Terry, author
Macmillan, 1996
Buku Teks
Lee, Linda D.
American Hospital Association, 1996
Buku Teks
Goodman, Michael, author
American Psychiatic Press , 1996
Buku Teks
Harvard Business School Press , 2001
Buku Teks