Dyfyniad APA

Suzanne W. Dietrich. (2001). Understanding relational database query languages. New Jersey: Prentice Hall.

Dyfyniad Arddull Chicago

Suzanne W. Dietrich. Understanding Relational Database Query Languages. New Jersey: Prentice Hall, 2001.

Dyfyniad MLA

Suzanne W. Dietrich. Understanding Relational Database Query Languages. New Jersey: Prentice Hall, 2001.

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