Lindbeck, John M.H.
Praeger Publishers, 1971
Buku Teks
edited by Charles J. White and Norman Gross
American Bar Association , 1985
Buku Teks
Cummings, William K., author
Springer, 2012
eBooks
Yao-Sheng Chien
Institute of Advanced Projects , 1962
Buku Teks
Shih, Kuo-Heng
Harvard University Press, 1944
Buku Teks