Fakultas Psikologi Universitas Indonesia, 2003
UI - Tesis (Membership)
Gamsakhurdia, Konstantineh, author
Foreign Languages Publishing House, [1955]
Buku Teks
UTZ, Peter, author
Prentice-Hall, 1982
Buku Teks
Irving, John, author
Gramedia Pustaka Utama, 2006
Buku Teks
Dody Rakhmat Ramadhan, author
Fakultas Teknik Universitas Indonesia, 2018
UI - Skripsi (Membership)