Horn, Paul V., author
Prentice-Hall, 1959
Buku Teks
Horn, Paul V., author
Prentice-Hall, 1959
Buku Teks
Horn, Paul V., author
Prentice-Hall, 1955
Buku Teks
Marasinghe, Lakshman
Butterworth Asia, 1998
Buku Teks
McManis, Charles R., author
West Publishing, 1992
Buku Teks