Harvard University Press, 1958
Buku Teks
Loomis, Lynn Harold, author
World Scientific, 2014
Buku Teks
Grilliot, Harold J.
Houghton Miffiln, 1979
Buku Teks
Embassy of the People's Republic of China, [date of publication not identified]
Buku Teks
Kelsen, Hans, author
University of California Press, 1978
Buku Teks