Millington, D., author
Ellis Horwood, 1981
Buku Teks
Hubbard, George U., author
Van Nostrand Reinhold, 1981
Buku Referensi
Martin, James, author
Prentice-Hall, 1967
Buku Teks
Flores, Ivan, author
Prentice-Hall, 1967
Buku Teks
Patterson, David A., author
Mourgan Kaufmann, 2014
Buku Teks