Deb, Sibnath
Sage, 2019
Buku Teks SO
Freud, Sigmund, 1856-1939
Pedati , 2005
Buku Teks SO
Baldwin, John D., 1941-
Prentice-Hall, 1986
Buku Teks SO
Zimbardo, Philip G.
Scott Floresman & Company , 1997
Buku Teks SO
Ruch, Floyd L.
Foresman, 1971
Buku Teks SO