Deese, James
McGraw-Hill, 1967
Buku Teks
Mazur, James E.
Prentice-Hall, 1994
Buku Teks
Driscoll, Marcy P
Pearson Allyn and Bacon, 2005
Buku Teks
Johnson, Paul Erick, 1938-
John Wiley & Sons, 1971
Buku Teks
Carlson, Neil R.
Allyn and Bacon , 1997
Buku Teks