Cooley, Frank L.
Pustaka Sinar Harapan , 1987
Buku Teks
Purwanto
1988
UI - Skripsi (Membership)
Peale, Norman Vincent, 1898-1993
Binarupa Aksara, 1993
Buku Teks
Djohan Effendi
Media Cita, 2001
Buku Teks
Lecler S.J., Joseph
Burns Oates & Washbourne, 1952
Buku Teks