Kirberger, Kimberly, author
Gramedia, 2004
Buku Teks
Savitri Puji Astuti, author
Fakultas Psikologi Universitas Indonesia, 2005
UI - Tesis (Membership)
Hutagalung, Johanna, author
2000
UI - Skripsi (Membership)
Sinaga, Heppida, author
1998
UI - Skripsi (Membership)
Adriana Soekandar, author
Universitas Indonesia, 1989
UI - Skripsi (Membership)