Holford, Patrick, author
Piatkus Books an imprint of Little, Brown Book Group, 2015
Buku Teks
Olpin, Michael, author
Wadsworth and Cengage Learning, 2013
Buku Teks
Agatha Gita Wulansari, authors
Fakultas Psikologi Universitas Indonesia, 2018
UI - Skripsi (Membership)
Fatsi Anzani, author
Fakultas Psikologi Universitas Indonesia, 2006
UI - Tesis (Membership)
Gabriela Batti, author
Fakultas Ilmu Sosial dan Ilmu Politik Universitas Indonesia, 2009
UI - Skripsi (Open)