Chisholm, Richard
Butterworth, 1978
Buku Teks SO
edited by J.M.J. Chorus, P.H.M. Gerver and E.H. Hondius
Kluwer Law International, 1999
Buku Teks SO
Kortmann, C.A.J.M.
Kluwer Law Internasional, 2000
Buku Teks SO
edited by D.C. Fokkema ... [and others]
Kluwer , 1978
Buku Teks
Clarkson, C. M. V.
Fontana , 1995
Buku Teks