Taylor, George A., author
D. Van Nostrand, 1964
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
Kaplan, Robert S., author
Prentice-Hall, 1989
Buku Teks