Kua, Kia Soong, author
Suaram Kommunikasi, 2011
Buku Teks
Story, Richard, 1913-
Greenwood Press, 1976
Buku Teks
Langguth, A.J
Simon and Schuster, 1988
Buku Teks
Livingston, William S.
At The Clarendon Press, 1956
Buku Teks
Australian Government Publishing Service, 1988
Buku Teks