Gifford, William C., author
Tax Management, 1974
Buku Teks
Tillinghast, David R., author
Matthew Bender, 1984
Buku Teks
edited by Dennis Campbell
Kluwer Law International, 1995
Buku Teks
Spitz, Barry
Butterworth, 1972
Buku Teks
Muller, Johann, author
IBFD, 2005
Buku Teks