Maddux, Robert B., author
Erlangga, 2001
Buku Teks
Anjar Ramdhana, author
Universitas Indonesia, 2018
UI - Tesis (Membership)
Mahoney, Thomas A., author
Prentice-Hall, 1961
Buku Teks
Christina Suzanna Nitalessy, author
2007
UI - Tesis (Membership)
Renata Anna Maria PS., author
Fakultas Psikologi Universitas Indonesia, 2008
UI - Tesis (Open)