Paradis, Adrian A., author
VGM Career Books, 2001
Buku Teks
Bekken, Bonnie Bjorguine, author
VGM Career Books, 2001
Buku Teks
Rotman, Morris B., author
VGM Career Books,, 2001
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Brown, Sheldon S., author
VGM Career Horizons, 1994
Buku Teks
Gould, Jay R., author
VGM Career Horizons, 1994
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