edited by Eugene Kontorovich
Edward Elgar Publishing, 2016
Buku Teks
Attard, David Joseph
Clarendon Press, 1987
Buku Teks
Kohona, Palitha T.B.
Martinus Nijhoff, 1985
Buku Teks
Christoph Herrmann
Springer, 2012
eBooks
Cambridge University Press , 2012
Buku Teks