Gray, Alexander, author
Longmans , 1959
Buku Teks
Bindreiter, Uta, author
Kluwer Law International, 2002
Buku Teks
Heydon, J. D.
Butterworth, 1971
Buku Teks
Dayal, Har
Motilal Banarsidass , 1932
Buku Teks
Donovan, Frank, author
Dodd, Mead, 1963
Buku Teks