Gould, Jay R., author
VGM Career Horizons, 1994
Buku Teks
Field, Shelly, author
Macmillan, 1998
Buku Referensi
Paradis, Adrian A., author
VGM Career Books, 2001
Buku Teks
Kuther, Tara L., author
Wadsworth/Cengage Learning, 2013
Buku Teks
Humphries, Judith
Kogan Page, 1994
Buku Teks