Dittrich, John E.
Business Publ. Inc., 1981
Buku Teks
Greenwood, William T., author
South Western, 1965
Buku Teks
Adam, Everett E., author
Prentice-Hall, 1989
Buku Teks
Burns, Lawton Robert, author
Delmar Cengage Learning, 2012
Buku Teks
Shortell, Stephen M. (Stephen Michael), 1944-, author
John Wiley & Sons, 1983
Buku Teks