Kelsen, Hans, author
Buku Teks
Thompson, Willie
Blackwell, 1998
Buku Teks
Hinton, Harold C., author
Houghton Miffiln, 1966
Buku Teks
Bouscaren, Anthony Trawick
Henry Regnery Company, 1958
Buku Teks
Institute of International Relations, National Chengchi University, 1978
Buku Teks