Fletcher, W. I. (1997). An engineering approach to digital design (5th ed.). Prentice Hall.
Cita Chicago (17th ed.)Fletcher, William I. An Engineering Approach to Digital Design. 5th ed. New Delh: Prentice Hall, 1997.
Cita MLA (9th ed.)Fletcher, William I. An Engineering Approach to Digital Design. 5th ed. Prentice Hall, 1997.
Atenció: Aquestes cites poden no estar 100% correctes.