Brightbill, Charles K.
Prentice-Hall, 1961
Buku Teks
Ramhadtu Prasaditama, author
Sage, 2014
Buku Teks
Fuji Lestari Suharso, author
Fakultas Psikologi Universitas Indonesia, 2000
UI - Laporan Penelitian
Aderson, Nels
Free Press of Glencoe , 1961
Buku Teks
Maria Agatha Catursari, author
1990
UI - Skripsi (Membership)