Wicks-Nelson, Rita, author
Pearson Education, 2014
Buku Teks
edited by Daniel S. Bromberg and William T. O'Donohue
Academic Press, 2013
eBooks
Sari Rahmawati, author
2016
UI - Skripsi (Membership)
Ika Agustina Murpratiwi, author
Fakultas Psikologi Universitas Indonesia, 2017
UI - Tesis (Membership)
Weis, Robert, author
Sage, 2008
Buku Teks