Rathus, Spencer A., author
Harcourt Brace College, 1993
Buku Teks
Wortman, Camille B., author
McGraw-Hill, 1999
Buku Teks
Greenberg, Jerald, author
Pearson, Prentice Hall, 2008
Buku Teks
edited by James L. Gibson
Tex Business Publications , 1982
Buku Teks
Etzioni, Amitai, author
Prentice-Hall, 1964
Buku Teks