Moffic, H. Steven
Jossey-Bass, 1997
Buku Teks
Goldbeck, Willis B., 1943
Springer-Verlag, 1978
Buku Teks
Kongstvendt, Peter R.
Jones & Bartlet Learning, 2009
Buku Teks
Mechanic, David, 1936-
Pearson, 2014
Buku Teks
Goodman, Michael
American Psychiatic Press , 1996
Buku Teks