Alwi Syahri, author
1990
UI - Tesis (Membership)
Sulastri, author
Fakultas Psikologi Universitas Indonesia, 2004
UI - Tesis Membership
RajaGrafindo Persada, 1993
Buku Teks
S. Prajudi Atmosudirdjo, author
Ghalia Indonesia, 1974
Buku Teks
Ernas Ernawan, author
1988
UI - Skripsi (Membership)