Lua APA (7ú heag.)
Singh, S., & Sandhu, G. (2007). Digital circuits and logic design (2nd ed.). Kalyani Pub.
Lua i Stíl Chicago (17ú heag.)
Singh, Sajjan, agus Gurpreet Sandhu. Digital Circuits and Logic Design. 2nd ed. Kolkata: Kalyani Pub, 2007.
Lua MLA (9ú heag.)
Singh, Sajjan, agus Gurpreet Sandhu. Digital Circuits and Logic Design. 2nd ed. Kalyani Pub, 2007.
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