Dyfyniad APA

Hawryszkiewycz, I. (1998). Introduction to systems analysis and design (4th ed.). Prentice Hall.

Dyfyniad Arddull Chicago

Hawryszkiewycz, Igor. Introduction to Systems Analysis and Design. 4th ed. Sydney ; New York ; New Delhi: Prentice Hall, 1998.

Dyfyniad MLA

Hawryszkiewycz, Igor. Introduction to Systems Analysis and Design. 4th ed. Prentice Hall, 1998.

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