Paul, Richard S., author
Reston Publishing, 1983
Buku Teks
Spitzbart, Abraham, author
Addison-Wesley, 1964
Buku Teks
Dorsett, Joseph L.
Allyin and Bacon, 1972
Buku Teks
Moyer, Robert E., author
McGraw-Hill, 2009
Buku Teks
Ballou, Ronald H., author
Ginn, 1943
Buku Teks