Lyon, John K., author
John Wiley & Sons, 1971
Buku Teks
Curtice, Robert M., author
Van Nostrand Reinhold, 1982
Buku Teks
Hubbard, George U., author
Van Nostrand Reinhold, 1981
Buku Referensi
Inmon, W.H., author
Prentice-Hall, 1982
Buku Teks
Atre, S., author
Wiley, 1980
Buku Teks