Abdul Jamil, author
Universitas Indonesia, 1999
UI - Tesis (Membership)
Huffington, Arianna, author
Harmony Books, 2015
Buku Teks
Nita Septiani, author
Fakultas Psikologi Universitas Indonesia, 2013
UI - Skripsi (Membership)
Rogacion, Mary
Kanisius , 1996
Buku Teks
Tritana Gondhoyoewono, author
1991
UI - Tesis (Membership)