edited by Tan Teck Meng ... [and others]
Prentice-Hall, 1998
Buku Teks
Brown, Sheldon S.
VGM Career Horizons, 1994
Buku Teks
Paradis, Adrian A.
VGM Career Books, 2001
Buku Teks
Bekken, Bonnie Bjorguine
VGM Career Books, 2001
Buku Teks
Rotman, Morris B.
VGM Career Books,, 2001
Buku Teks