Awad, E. (1990). Systems analysis and design. Galgotia.
Lua i Stíl Chicago (17ú heag.)Awad, Elias. Systems Analysis and Design. New Delhi: Galgotia, 1990.
Lua MLA (9ú heag.)Awad, Elias. Systems Analysis and Design. Galgotia, 1990.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.