Hawryszkiewycz, I. T. (1994). Introduction to systems analysis and design (3rd ed.). Prentice Hall.
Lua i Stíl Chicago (17ú heag.)Hawryszkiewycz, I. T. Introduction to Systems Analysis and Design. 3rd ed. Sydney ; New York ; New Delhi: Prentice Hall, 1994.
Lua MLA (8ú heag.)Hawryszkiewycz, I. T. Introduction to Systems Analysis and Design. 3rd ed. Prentice Hall, 1994.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.