Friedrich, Carl J., author
Prentice-Hall, 1974
Buku Teks
Yoga Soegomo
Pustaka Kartini, 1986
Buku Teks
Huang, Zongxian, author
China International Press, 2008
Buku Teks
Murphy, Walter F., author
The John Hopkins University Press, 2007
Buku Teks
Friedrich, Carl J., author
Boston University Press, 1967
Buku Teks