Angel, E. (2006). Interactive Computer Graphicsa top-down approach using open GLEdward Angel. Pearson - Addison Wesley.
Lua i Stíl Chicago (17ú heag.)Angel, Edward. Interactive Computer Graphicsa Top-down Approach Using Open GLEdward Angel. Pearson - Addison Wesley, 2006.
Lua MLA (8ú heag.)Angel, Edward. Interactive Computer Graphicsa Top-down Approach Using Open GLEdward Angel. Pearson - Addison Wesley, 2006.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.