Sudargo Gautama, author
Citra Aditya Bakti, 2002
Buku Teks
Howell, Rate A., author
The Dryden Press, 1984
Buku Teks
Howard`s
Prentice-Hall, 1967
Buku Teks
William J. Robert
Prentice-Hall, 1962
Buku Teks
Lavine, A. Lincoln
Prentice-Hall, 1964
Buku Teks