Dyfyniad APA

Date, C. J. (1981). An introduction to database systems V.1.-3rd ed (3d ed.). Addison-Wesley Pub. Co..

Dyfyniad Arddull Chicago

Date, C. J. An Introduction to Database Systems V.1.-3rd Ed. 3d ed. Reading, Mass.: Addison-Wesley Pub. Co., 1981.

Dyfyniad MLA

Date, C. J. An Introduction to Database Systems V.1.-3rd Ed. 3d ed. Addison-Wesley Pub. Co., 1981.

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