edited by Raymond Cochrane and Douglas Carrol
Falmer Press, 1991
Buku Teks
edited by Lawrence S. Wringtsman
Wadsworth, 1968
Buku Teks
Krech, David
McGraw-Hill, 1962
Buku Teks
Ratner, Carl
Lawrence Erlbaum Associates, 2006
Buku Teks
Shibutani, Tamotsu
Prentice-Hall, 1961
Buku Teks