Dyfyniad APA

Gessford, J. E. (1980). Modern information systems: Designed for decision support. Addison-Wesley Pub. Co..

Dyfyniad Arddull Chicago

Gessford, John Evans. Modern Information Systems: Designed for Decision Support. Reading, Mass.: Addison-Wesley Pub. Co., 1980.

Dyfyniad MLA

Gessford, John Evans. Modern Information Systems: Designed for Decision Support. Addison-Wesley Pub. Co., 1980.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.