Gill, Brendan
Harry N. Abraham, inc., 1981
Buku Teks
Burns, James McGregor, author
Avon Book Division, 1961
Buku Teks
Kennedy, John F.
Harper & Row Pub., 1964
Buku Teks
Hedywati Tirtadjaja, author
Fakultas Ilmu Pengetahuan dan Budaya Universitas Indonesia, 1982
UI - Skripsi (Membership)
Linda Purnamasari, author
Program Pascasarjana Universitas Indonesia, 2003
UI - Tesis (Membership)