Hall, D. V., & Rao, S. S. S. P. (1992). Microprocessors and interfacing: Programming and hardware (Third edition.). McGraw Hill Education.

Hall, Douglas V., and S S S P. Rao. Microprocessors and Interfacing: Programming and Hardware. Third edition. Chennai: McGraw Hill Education, 1992.

Hall, Douglas V., and S S S P. Rao. Microprocessors and Interfacing: Programming and Hardware. Third edition. McGraw Hill Education, 1992.