Garbutt, John, author
John Wiley & Sons, 1995
Buku Referensi
edited by Lennart Hagberg
Kluwer Law & Taxation , 1983
Buku Teks
Ross, Stephen F., author
The Foundation Press, 1993
Buku Teks
Warr, George, author
Sweet & Maxwell, 1994
Buku Teks
Ross, Martin J., author
A Fawcett Crest Book, 1975
Buku Teks