Garth, Bryant
Sijthoff and Noordhoff, 1980
Buku Teks
Mermin, Samuel, author
Little, Brown, 1982
Buku Teks
Harris, Myra A., author
Prentice-Hall, 1997
Buku Teks
Bander, Edward J., author
Balinger, 1978
Buku Teks
Cohen, Morris L., author
West Publishing, 1968
Buku Teks