Wolk, Harry I., author
Ohio South-Western College , 1997
Buku Teks
Bird, Francis A.
Robert F. Dame, Inc. , 1981
Buku Teks
Riahi-Belkaoui, Ahmed, 1943-, author
Business Press, 2000
Buku Teks
Riahi-Belkaoui, Ahmed, 1943-, author
Acadenic Press, 1992
Buku Teks
Kam, Vernon, author
John Wiley & Sons, 1990
Buku Teks