Herwitz, David R.
Foundation Press, 1966
Buku Teks
Gifford, William C.
Tax Management, 1974
Buku Teks
John Hancock
Kogan Page, 2005
Buku Teks
Ackoff, Russell Lincoln, 1919-
Wiley-Interscience, 1970
Buku Teks
Hussey, David E.
Pergamon Press, 1973
Buku Teks