Simsion, G. C. (1994). Data modeling essentials: Analysis, design, and innovation. International Thomson Computer Press.
Chicago-referens (17:e uppl.)Simsion, Graeme C. Data Modeling Essentials: Analysis, Design, and Innovation. London: International Thomson Computer Press, 1994.
MLA-referens (9:e uppl.)Simsion, Graeme C. Data Modeling Essentials: Analysis, Design, and Innovation. International Thomson Computer Press, 1994.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.