Brierly, J. L. (James Leslie), author
At The Clarendon Press, 1955
Buku Teks
Malanczuk, Peter
Rontledge, 1997
Buku Teks
Brierly, J. L. (James Leslie), author
Clarendon Press , 1949
Buku Teks
Boas, Gideon, author
Northampton, Mass. : Edward Elgar, 2012
Buku Teks
Wallace, Rebecca M. M.
Sweet & Maxwell, 1986
Buku Teks