Rosmaryanti Sumaryo
Fakultas Psikologi Universitas Indonesia, 2004
UI - Tesis Membership
Guilbert, JJ.
World Health Organization, 1976
Buku Teks
Manoppo, Pieter George
Fakultas Psikologi Universitas Indonesia, 2004
UI - Tesis Membership
Sanerya Hendrawan
1992
UI - Tesis Membership
Buchanan, Peter
Phaidon Press, 1995
Buku Teks SO