(1989). Modern structured analysis / Edward Yourdon.
Lua i Stíl Chicago (17ú heag.)Modern Structured Analysis / Edward Yourdon. 1989.
Lua MLA (9ú heag.)Modern Structured Analysis / Edward Yourdon. 1989.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.