Carson, Verna Benner
Saunders , 2000
Buku Teks
Brunei Press Sdn Bhd, 1999
Buku Referensi
Toton Witono
Fakultas Ilmu Sosial dan Ilmu Politik Universitas Indonesia, 2015
UI - Disertasi Membership
Forster, Edward Morgan, 1879-1970
Vintage Books, 1962
Buku Teks
Wu, Cheng`en
Foreign Languages Press : Distributed by China Publication Centre (Guoji Shudian, 2000
Buku Teks