Schiele, Bernard, aditor
Springer, 2012
eBooks
John Wiley & Sons, 1999
Buku Teks
Littlejohn, Stephen W, author
Thomson, 2005
Buku Teks
Arms, Karen, author
Saunders College Publishing, 1990
Buku Teks
Masters, Gilbert M., author
Prentice-Hall, 2008
Buku Teks