Deppe, Theodore R., author
John Wiley & Sons, 1983
Buku Teks
Dorothy B. Durband
Springer, 2012
eBooks
Broyles, Robert W., author
Aspen Systems, 1981
Buku Teks
Johns, Roe L.
Prentice-Hall, 1975
Buku Teks
Rosen, Andrew S., author
Kaplan, 2011
Buku Teks