Richards, Dick
Jossey-Bass , 1994
Buku Teks
Barker, James R., author
Sage, 1999
Buku Teks
Adi Soenarno, author
Andi Offset, 2006
Buku Teks
Renata Anna Maria PS., author
Fakultas Psikologi Universitas Indonesia, 2008
UI - Tesis (Open)
Ertrina Wulaningtyas, author
Fakultas Psikologi Universitas Indonesia, 2014
UI - Tesis (Membership)