Steinhoff, Manfred
The Australian National University , 1980
Buku Teks
Harper & Row , 1971
Buku Teks
William D. Crano, Radmila Prislin, editor
Psychology Press, 2008
Buku Teks
Ajzen, Icek, author
Open University Press, 2005
Buku Teks
Cambridge University Press, 2010
eBooks