Angelia Sun Putri, author
Fakultas Psikologi Universitas Indonesia, 2013
UI - Tesis Membership
Rosenberg, Kenneth Paul, editor
Academic Press, 2014
eBooks
Atik Puji Rahayu, author
2018
UI - Tugas Akhir
Pergamon Press , 1975
Buku Teks
Evi Junita, author
Fakultas Psikologi Universitas Indonesia, 2010
UI - Tesis Membership