Anderson, Leonard R.,
Reston Publishing, 1981
Buku Teks
Morris, Noel Malcolm, 1929-, author
Macmillan, 1991
Buku Teks
Johnson, David E., author
Prentice-Hall, 1984
Buku Teks
Alexander, Charles K., author
McGraw-Hill, 2000
Buku Teks
Paton, E.O.
Kiev: Academy of Sciences, 1967
Buku Teks