Henke, Emerson O., author
PWS-Kent, 1991
Buku Teks
Stiner, Frederic M., author
Kent Publishing, 1986
Buku Teks
Hirsch, Maurice L., author
PWS-KENT, 1986
Buku Teks
Carter, William K., 1951-, author
Dame/Thomson Learning, 2002
Buku Teks
Hammer, Lawrence H., author
South-Western, 1993
Buku Teks