Kristi L. Koenig, Carl H. Schultz.
Cambridge University Press , 2016
Buku Teks
Rajesh Arora, Preeti Arora.
UK CABI, 2013
Buku Teks
Cambridge University Press, 2016
eBooks
edited by Rifat Latifi, Ronald K. Poropatich, George J. Hadeed
Artech house, 2011
Buku Teks
Knoop, Kevin J.
McGraw-Hill, 1997
Buku Teks