Salton, Gerard
McGraw-Hill, 1983
Buku Teks
Chowdhury, G.G.
Facet Publishing , 2004, 2006
Buku Teks
Chowdhury, G.G.
Library Association Publishing, 1999
Buku Teks
edited by Simon M. Newman
Spartan , 1965
Buku Teks
Lancaster, F. Wilfrid
John Wiley & Sons, 1979
Buku Teks