Schwarzenberger, Georg
Stevens & Sons, 1967
Buku Teks
Shaw, Malcolm Nathan, 1947-
Cambridge University Press, 2017
Buku Teks
Fenwick, Charles G.
Appleton-Century-Crofts, 1948
Buku Teks
Schwarzenberger, Georg
Stevens & Sons, 1949
Buku Teks
Cassese, Antonio, 1937-2011
Oxford University Press, 2001
Buku Teks