Anand, Vera B., author
John Wiley & Sons, 1992
Buku Teks
Barsky, Brian A., author
Springer-Verlag, 1988
Buku Teks
Berger, Marc, author
The Benjamin-Cummings , 1986
Buku Teks
Klawonn, Frank, author
Springer-Verlag, 2012
eBooks
Angell, Ian O., author
Macmillan, 1991
Buku Teks