Haug, Edward J., author
Wiley, 1979
Buku Teks
Spiegel, Leonard, author
Regents, 1993
Buku Teks
Fleming, John F., author
Prentice-Hall International, 1997
Buku Teks
Mahmoud, Magdi S., author
Springer-Verlag, 2012
eBooks
Butler, Robert Brown
McGraw-Hill , 2002
Buku Teks