Jones, Ken
Routledge, 1995
Buku Teks
Rockport Publishers, 1998
Buku Teks
Andi Irawan, author
Fakultas Psikologi Universitas Indonesia, 2009
UI - Tesis (Open)
Aurora Cuito
HBI and Loft Publications, 2001
Buku Teks
Azizi Algi, author
2018
UI - Tesis (Membership)