Monro, Donald M., author
Edward Arnold, 1977
Buku Teks
Nanney, T. Ray, author
Prentice-Hall, 1981
Buku Teks
Sterling, T.D., author
Macmillan, 1970
Buku Teks
Klawonn, Frank, author
Springer-Verlag, 2012
eBooks
Keys, William J., author
Anheim Publishing, 1973
Buku Teks