Cita APA (7th ed.)

HAWRYSZKIEWYCZ, I. (1994). Introduction to systems analysis and design.-ed.3. Prentice Hall.

Cita Chicago (17th ed.)

HAWRYSZKIEWYCZ, I.T. Introduction to Systems Analysis and Design.-ed.3. Sydney: Prentice Hall, 1994.

Cita MLA (9th ed.)

HAWRYSZKIEWYCZ, I.T. Introduction to Systems Analysis and Design.-ed.3. Prentice Hall, 1994.