Sumarkoco Sudiro
Pustaka Kartini, 1990
Buku Teks
Al-Uqshari, Yusuf, author
Gema Insani, 2006
Buku Teks
Pervin, Lawrence A., author
Kencana Prenada Media Group , 2010
Buku Teks
Cervone, Daniel, author
Salemba Humanika, 2012
Buku Teks
Veronika Trimardhany, author
Fakultas Psikologi Universitas Indonesia, 2003
UI - Skripsi Membership