Bruno, Frank J.
Gramedia Pustaka Utama , 1998
Buku Teks
Vidiana Novi Pahlevi, author
1991
UI - Skripsi (Membership)
Zelinski, Ernie J., author
PPM, 2006
Buku Teks
Surachmad, author
Universitas Indonesia, 1983
UI - Skripsi (Membership)
Schwartz, David Joseph, author
Binarupa Aksara, 1992
Buku Teks