Morgan, Clifford T.
McGraw-Hill Kogakusha, 1979
Buku Teks
Munn, Norman L., author
Houghton-Mifflin, 1962
Buku Teks
Nevid, Jeffrey S., author
Wadsworth and Cengage Learning, 2013
Buku Teks
Hilgard, Ernest R. (Ernest Ropiequet), 1904-2001, author
Harcourt Brace Jovanovich, 1979
Buku Teks
Kalat, James W., author
Thomson Wadsworth, 2008
Buku Teks