Zechmeister, Eugene B.
McGraw-Hill, 1992
Buku Teks SO
Barker, Chris
John Wiley & Sons, 2002
Buku Teks SO
Ott, Lyman
Duxbury Press, 1993
Buku Teks
Elliot Aronson...[et al.]
McGraw-Hill, 1990
Buku Teks SO
Shaughnessy, John J.
McGraw-Hill, 1997
Buku Teks SO