Stern, Louis W.
Prentice-Hall, 1989
Buku Teks
Stern, Louis W.
Prentice Hall Inc., 1982
Buku Teks
Davis, Kenneth R.
John Wiley & Sons, 1981
Buku Teks
Rosenbloom, Bert, author
South Western Cengage Learning, 2012
Buku Teks
Boyd, Harper W., Jr., author
New York, N.Y. , Harcourt Brace Jovanovich
Buku Teks