Finkelstein, Ellen
IDG Books, 2000
Buku Referensi
Ray, Deborah S.
IDG Books Worldwide, 1996
Buku Teks
Andreoni, Collen P.
Saunders, 2000
Buku Teks
Cumming, P. Haward
A Wiley medical publication , 1983
Buku Teks
Holmes, Larry
Jones and Bartlett , 2010
Buku Teks