Campbell, Enid Mona
The Law Book, 1967
Buku Teks
Trans Tech, 2011
Majalah, Jurnal, Buletin
Campbell, Enid Mona
[publisher not identified], [date of publication not identified]
Buku Teks
Hall, John W.
University of Michigan Press, 1954
Buku Teks
edited by E.G. Stanford, J.H. Fearon, W.J. McGonnagle
CRC Press, 1968
Buku Teks