Klemstine, Charles F., author
Garland Publishing, 1984
Buku Teks
Hansen, Don R., author
South-Western College Publishing, 2000
Buku Teks
Riahi-Belkaoui, Ahmed, 1943-, author
Addison-Wesley, 1980
Buku Teks
Arnold, John, author
Prenctice-Hall, 1983
Buku Teks
Nibbelin, Michael C., author
Prentice-Hall, 1996
Buku Teks