Tokheim, R. L. (1990). Theory and problems of microprocessor fundamentals (2nd ed.). McGraw-Hill.

Tokheim, Roger L. Theory and Problems of Microprocessor Fundamentals. 2nd ed. New York: McGraw-Hill, 1990.

Tokheim, Roger L. Theory and Problems of Microprocessor Fundamentals. 2nd ed. McGraw-Hill, 1990.