Karim, M. A., & Chen, X. (2008). Digital design: Basic concepts and principles. CRC Press/Taylor & Francis.
Lua i Stíl Chicago (17ú heag.)Karim, Mohammad A., agus Xinghao Chen. Digital Design: Basic Concepts and Principles. Boca Raton, FL: CRC Press/Taylor & Francis, 2008.
Lua MLA (8ú heag.)Karim, Mohammad A., agus Xinghao Chen. Digital Design: Basic Concepts and Principles. CRC Press/Taylor & Francis, 2008.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.