Pascal, Gerald R.
Grune & Stratton, 1971
Buku Teks
Fakultas Psikologi Universitas Indonesia, 2002
UI - Tesis (Membership)
Zuraida G. Soepoetro, author
1983
UI - Skripsi (Membership)
Artikel Jurnal
Erniza B. Joewono, author
1977
UI - Skripsi (Membership)