Toelihere, Mozes R., author
Angkasa, 1979
Buku Teks
Grossman, Charles J., author
Sulzburger & Graham, 1995
Buku Teks
Bainbridge, F.A., author
Longmans, Green , 1919
Buku Teks
Mohammad Fuad, author
Universitas Indonesia, 1990
UI - Skripsi (Membership)
Vedder, A.
De Erven F. Bohn N.V., 1949
Buku Teks