Fakultas Psikologi Universitas Indonesia, 1996
UI - Skripsi Membership
DePorter, Bobbi, author
Kaifa, 2015
Buku Teks
Foer, Joshua, author
Penguin Books, 2011
Buku Teks
Scott, Gini Graham, author
American Management Association, 2007
eBooks
Novytya Ariyanti, author
2016
UI - Skripsi Membership