Coon, Dennis
Brooks/Cole, 1998
Buku Teks
Kalat, James W., author
Wadsorth , 2001
Buku Teks
Hilgard, Ernest R. (Ernest Ropiequet), 1904-2001, author
Harcourt Brace Jovanovich, 1979
Buku Teks
Lahey, Benjamin B., author
McGraw-Hill Higher Education, 2007
Buku Teks
Munn, Norman L., author
Houghton-Mifflin, 1962
Buku Teks