Monica Maria Tjin Mei Fung, author
Fakultas Psikologi Universitas Indonesia, 1998
UI - Tesis (Membership)
Melinda Kwok, author
1996
UI - Skripsi (Membership)
Universitas Indonesia, 2003
UI - Tesis (Membership)
James J. Nora [and others]
Lea & Febiger , 1994
Buku Teks
Haji Ali Haji Ahmad, author
Galeri Ilmu sdn. bhd., 2010
Buku Teks