Hilgard, Ernest R. (Ernest Ropiequet), 1904-2001, author
Harcourt Brace Jovanovich, 1979
Buku Teks
Kalat, James W., author
Thomson Wadsworth, 2008
Buku Teks
Platonov, K.I., author
Foreign Languages Publishing House, 1959
Buku Teks
Riggio, Ronald E., author
Pearson, 2009
Buku Teks
Enos, Matthew, author
Wadsworth, 2002
Buku Teks