Walston, Lord
Dufour editions, 1962
Buku Teks
Kao Yun-Lan
Foreign Language Press, 1959
Buku Teks
Westoby, Adam
Free Press, 1989
Buku Teks
edited by Stewart E. Fraser
International Studies Group , 1969
Buku Teks
Glezerman, Grigory
Progress Publishers, 1971
Buku Teks