Still, Richard R., author
Prentice-Hall, 1958
Buku Teks
Sanford, Edward, author
Winthrop, 1977
Buku Teks
Nicholson, T.A.J., author
Pitman, 1974
Buku Teks
Brink, Victor Z., author
Prentice-Hall, 1971
Buku Teks
Rejda, George E.
Pearson Addison Wesley , 2008
Buku Teks