Brennan, James F.
Prentice-Hall, 1991
Buku Teks
Wrightsman, Lawrence S.
Brooks/Cole, 1991
Buku Teks
Krech, David
McGraw-Hill, 1948
Buku Teks
Slavin, Robert E.
Paramount Publishing, 1994
Buku Teks
David Rosenhan, Perry London
Halt, Rinehart and Winston, 1969
Buku Teks