Nadzif Ulfa, author
Fakultas Psikologi Universitas Indonesia, 2005
UI - Tesis Membership
edited by Ronald J. Prinz
Jessica Kingsley, 1991
Buku Teks
Ramsay, Michael C., author
John Wiley & Sons, 2002
Buku Teks
M. C. Oetami Prasadjaningsih, author
Fakultas Psikologi Universitas Indonesia, 1998
UI - Tesis (Membership)
editor Ronald J. Prinz
Jessica Kingsley Publishers, 1991
Buku Referensi