Callister, William D., Jr., 1940-, author
John Wiley & Sons, 1997
Buku Teks
Sivarajan, V., author
Indian: Vikas, 1980
Buku Teks
Sirvarajan, V.
Bangalore: V.K. Publisher, 1980
Buku Teks
Carney, Louis P., author
McGraw-Hill , 1974
Buku Teks
Masters, Gilbert M., author
Prentice-Hall, 2008
Buku Teks