by Robert Cryer ... [and others]
Cambridge University Press, 2016
Buku Teks
Brierly, J. L. (James Leslie), author
At The Clarendon Press, 1955
Buku Teks
Brierly, J. L. (James Leslie), author
Clarendon Press , 1949
Buku Teks
edited by Fritz Enderlein
Oceana Publications, 1992
Buku Referensi
Starke, J.G., author
Sinar Grafika, 1992
Buku Teks