Dyfyniad APA

D'ORAZIO, R., & HAPPEL, G. (1996). Pratical data modelling for database desiggn. John Wiley and Sons.

Dyfyniad Arddull Chicago

D'ORAZIO, Renzo, and Gunter HAPPEL. Pratical Data Modelling for Database Desiggn. New York: John Wiley and Sons, 1996.

Dyfyniad MLA

D'ORAZIO, Renzo, and Gunter HAPPEL. Pratical Data Modelling for Database Desiggn. John Wiley and Sons, 1996.

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