Asch, David, author
Crest Publishing House, 1999
Buku Referensi
The Chartered Instituteof Management Accountans
CIMA, 1991
Buku Teks
edited by Robert J. Schwartz and Clifford W. Smith
Institute of Finance, 1993
Buku Teks
Brigham, Eugene F., 1930-, author
The Dryden Press, 1990
Buku Teks
International Texbook , 1970
Buku Teks