Waldron, Arthur, author
New York Cambridge University Press 1992,
Buku Teks
New York Cambridge University Press 1991
Buku Referensi
edited by Irene Yeung
Government Information Office, 2002
Buku Referensi
Tang, Michael C., author
Gramedia Pustaka Utama, 2005
Buku Teks
Yang, Dali L., author
Stanford Stanford University Press 1996,
Buku Teks