George, J. F. (2007). Object-oriented systems analysis and design (2nd ed.). Pearson Prentice Hall.
Lua i Stíl Chicago (17ú heag.)George, Joey F. Object-oriented Systems Analysis and Design. 2nd ed. Upper Saddle River, NJ: Pearson Prentice Hall, 2007.
Lua MLA (8ú heag.)George, Joey F. Object-oriented Systems Analysis and Design. 2nd ed. Pearson Prentice Hall, 2007.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.