editoed by Karl-Eduard von der Heydt, Stanley Keller
Graham & Trotman / Martinus Nijhoff, 1995
Buku Referensi
Aust, Anthony
Cambrigde University Press , 2010
Buku Teks
Hudson, Alastair
Sweet and Maxwell, 2008
Buku Teks
Sen, B.
Martinus Nijhoff, 1965
Buku Teks
edited by Daniel Bodansky, Jutta Brunneee and Ellen Hey
Oxford University Press, 2007
Buku Teks