M. Karjadi, author
R. Schenkhuizen, [date of publication not identified]
Buku Teks
Franck, Hans Goran
[publisher not identified], 2003
Buku Teks
Sudargo Gautama, author
Alumni, 1992
Buku Teks
Manurung, Oscar Frits, author
Fakultas Psikologi Universitas Indonesia, 1997
UI - Skripsi (Membership)
Gouw, Giok Siong, author
Keng Po, 1958
Buku Teks