Amalia R.R. Ibrahim, author
Fakultas Psikologi Universitas Indonesia, 1993
UI - Skripsi (Membership)
Koopman, Bernard Osgood, author
Pergamon Press, 1980
Buku Teks
Alfred, author
Peachpit press, 1999
Buku Teks
Ichsani Mursidah, author
Universitas Indonesia, 2014
UI - Skripsi (Membership)
Rizka Abdullah, author
2020
UI - Tesis (Membership)