Lua APA (7ú heag.)
Palmer, J. E., & David E.Perlman. (1993). Introduction to Digital System. Tata McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)
Palmer, James E., agus David E.Perlman. Introduction to Digital System. New Delhi: Tata McGraw-Hill, 1993.
Lua MLA (9ú heag.)
Palmer, James E., agus David E.Perlman. Introduction to Digital System. Tata McGraw-Hill, 1993.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.