Robson, Wendy, author
Pearson Education , 1997
Buku Teks
Pearlson, Keri E., author
John Wiley & Sons, 2004
Buku Teks
Pearlson, Keri E.
John Wiley & Sons, 2004
Buku Teks
Turban, Efraim, 1930-, author
John Wiley & Sons, 2001
Buku Teks
Stair, Ralph M., Jr., author
Boyd & Fraser Publishing, 1992
Buku Teks