Taylor, George E.
New York Institute of Pasific Relations 1940
Buku Teks
Khan, M. Rafiq, author
National Academy, 1963
Buku Teks
Hongkong Kingsway International Publications 1981
Buku Referensi
Boulder Westview Press 1992,
Buku Teks
Furholzer, Edmund
Buku Teks