Rowling, J.K., 1965-, author
Gramedia Pustaka Utama, 2018
Buku Teks
M. Leberty Adi S., author
Fakultas Psikologi Universitas Indonesia, 2003
UI - Skripsi (Membership)
Asty Saskia Fabianto, author
2004
UI - Skripsi (Membership)
Dede Erni Kartikawati, author
Fakultas Psikologi Universitas Indonesia, 2007
UI - Tesis (Membership)
Adams, Linda
Gramedia Pustaka Utama, 1995
Buku Teks