Ort, H. H. (1985). Structured data processing design and logic. Addison Wesley.
Dyfyniad Arddull ChicagoOrt, Harry H. Structured Data Processing Design and Logic. Massachusetts: Addison Wesley, 1985.
Dyfyniad MLAOrt, Harry H. Structured Data Processing Design and Logic. Addison Wesley, 1985.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.