Harre, R.
Littlefield, Adams, 1972
Buku Teks
Brown, Robert R.
Aldine Pub. Co., 1963
Buku Teks
Bagozzi, Richard P., author
Open University Press, 2003
Buku Teks
Bagozzi, Richard P.
Open University Press , 2002
Buku Teks
Hinde, Robert A., author
McGraw-Hill, 1974
Buku Teks