Grabar, V.E.
Clarendon Press, 1989
Buku Teks
Europa Law Pub, 2008
Buku Teks
Camberidge University Press, 2007
Buku Teks
edited by Beth A. Simmons and Richard H. Steinberg
Cambridge University Press, 2006
Buku Teks
Wallace, Rebecca M. M., author
Sweet & Maxwell, 2013
Buku Teks