Gessford, J. E. (1980). Modern information systems: Designed for decision support. Addison-Wesley Pub. Co..
Style de citation Chicago (17e éd.)Gessford, John Evans. Modern Information Systems: Designed for Decision Support. Reading, Mass.: Addison-Wesley Pub. Co., 1980.
Style de citation MLA (9e éd.)Gessford, John Evans. Modern Information Systems: Designed for Decision Support. Addison-Wesley Pub. Co., 1980.
Attention : ces citations peuvent ne pas être correctes à 100%.