Wernette, John Philip
Macmillan, 1964
Buku Teks
Marcellinus Ricky Bunaidy, author
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2012
UI - Tesis (Open)
Naff, Katherine C., author
CRC Press, 2014
Buku Teks
Windiyani, author
Universitas Indonesia, 2017
UI - Skripsi (Membership)
Arbono Lasmahadi, author
Fakultas Psikologi Universitas Indonesia, 2002
UI - Tesis Membership