Luftman, Jerry N., author
Pearson Education, 2004
Buku Teks
Yip, George S., author
Prentice-Hall, 1995
Buku Teks
Pearlson, Keri E., author
John Wiley & Sons, 2009
Buku Teks
edited by Arthur A. Thompson, Jr., A.J. Strickland III, Tracy Robertson Kramer
Irwin/McGraw-Hill, 1998
Buku Teks
Wright, Peter, author
Allyn and Bacon, 1992
Buku Teks