Rujukan Model_hubungan

  1. Data Integration Glossary, U.S. Department of Trransportation, August 2001.
  2. "Derivability, Redundancy, and Consistency of Relations Stored in Large Data Banks", E.F. Codd, IBM Research Report, 1969
  3. "A Relational Model of Data for Large Shared Data Banks", in Communications of the ACM, 1970.
  4. White, Colin. In the Beginning: An RDBMS History. Teradata Magazine Online. September 2004 edition. URL: http://www.teradata.com/t/page/127057
  5. E. F. Codd, The Relational Model for Database Management, Addison-Wesley Publishing Company, 1990, ISBN 0-201-14192-2