Powell, Richard R.B.
Foundation Press, 1952
Buku Teks
Jones, Harry W.
The Foundation Press, 1980
Buku Teks
Berch, Michael A.
West, 2010
Buku Teks
Campbell, Enid Mona
The Law Book, 1967
Buku Teks
Campbell, Enid Mona
[publisher not identified], [date of publication not identified]
Buku Teks