Carr, James C.
Springer, 2012
eBooks
Paudler, William W.
John Wiley & Sons, 1987
Buku Referensi
edited by Pottumarthi V. Prasad
Humana Press, 2006
Buku Teks
Prasad, Pottumarthi V.
Humana Press, 2006
Multimedia
Williams, David A.R.
ACOL, 1986
Buku Teks SO