Urman, S. (2002). Oracle9i PL/SQL programming. Tata McGraw Hill.
Dyfyniad Arddull ChicagoUrman, Scott. Oracle9i PL/SQL Programming. New Delhi: Tata McGraw Hill, 2002.
Dyfyniad MLAUrman, Scott. Oracle9i PL/SQL Programming. Tata McGraw Hill, 2002.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.