Cita APA (7a ed.)
Ali, S. R. (2002). Digital switching systems. Tata McGraw-Hill.
Cita Chicago Style (17a ed.)
Ali, Syed Riffat. Digital Switching Systems. New Delhi: Tata McGraw-Hill, 2002.
Cita MLA (9a ed.)
Ali, Syed Riffat. Digital Switching Systems. Tata McGraw-Hill, 2002.
Precaución: Estas citas no son 100% exactas.