Tokyo , Sophia University
Buku Teks
Nison, Steve, author
Elex Media Komputindo, Gramedia, 2010
Buku Teks
Calhoon, Richard P.
McGraw-Hill, 1956
Buku Teks
Aditya Ardhana, author
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2008
UI - Tesis (Open)
Ioannis Nikolaou and Janneke K. Oostrom, edited
Psychology Press, 2015
Buku Teks