Morris, B. (2007). The Symbian OS architecture sourcebook Design and evolution of a mobile phone OS. John Wiley & Sons.
Lua i Stíl Chicago (17ú heag.)Morris, Ben. The Symbian OS Architecture Sourcebook Design and Evolution of a Mobile Phone OS. John Wiley & Sons, 2007.
Lua MLA (8ú heag.)Morris, Ben. The Symbian OS Architecture Sourcebook Design and Evolution of a Mobile Phone OS. John Wiley & Sons, 2007.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.