Dion, Thomas R., 1946-, author
John Wiley & Sons, 1993
Buku Teks
McLean, Adam C., author
ELBS, 1990
Buku Teks
Mamlouk, Michael S., author
Pearson Prentice Hall, 2006
Buku Teks
Ossenbruggen, Paul J., author
John Wiley & Sons, 1984
Buku Teks
editors, Jonathan T. Ricketts, M. Kent Loftin, Frederick S. Merritt
McGraw-Hill, 2003
Buku Referensi