Curran, Joseph, Jr., author
McGraw-Hill, 1977
Buku Teks
Weinstock, George D., [et.al]
Prentice-Hall, 1971
Buku Teks
Horton, Paul B., author
Dow Jones Irwin, 1982
Buku Teks
Peterson, Richard J.
Wadswarth Publishing, 1986
Buku Teks
Acuff, F. Gene, author
The Dryden Press, 1973
Buku Teks