Bowett, D. W. (Derek William), author
Stevens and Sons, 1970
Buku Teks
Klabbers, Jan, author
Cambridge University Press, 2002
Buku Teks
Sri Setianingsih Suwardi, author
UI-Press, 2004
Buku Teks
Fenwick, Charles G., author
Appleton-Century-Crofts, 1948
Buku Teks
Shaw, Malcolm N. (Malcolm Nathan), 1947-, author
Cambridge, 2003
Buku Teks