Earle, J. H. (2005). Graphics technology (2nd ed.). Pearson/Prentice Hall.
Lua i Stíl Chicago (17ú heag.)Earle, James H. Graphics Technology. 2nd ed. Upper Saddle River: Pearson/Prentice Hall, 2005.
Lua MLA (8ú heag.)Earle, James H. Graphics Technology. 2nd ed. Pearson/Prentice Hall, 2005.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.