Simon, Herbert A., author
Bina Aksara, 1982
Buku Teks
Hofsteede, W. M. F., author
Gadjah Mada University Press , 1992
Buku Teks
Ditha, author
Fakultas Psikologi Universitas Indonesia, 2003
UI - Skripsi (Membership)
Ernas Ernawan, author
1988
UI - Skripsi (Membership)
Rizano Loekman, author
1986
UI - Skripsi (Membership)