Ceram, C.W., 1915-1972, author
Rowohlt, 1949
Buku Teks
Grun, Bernard.
Published by Simon & Schuster, 1991
Buku Teks
Irin Setiowati Bustarini, author
Fakultas Ilmu Pengetahuan dan Budaya Universitas Indonesia, 1992
UI - Skripsi (Membership)
Kebric, Robert B., author
Mayfiled, 2000
Buku Teks
Boren, Henry C.
D.C Heath, 1977
Buku Teks