Fletcher, W. I. (1980). An engineering approach to digital design. Prentice-Hall.
Dyfyniad Arddull ChicagoFletcher, William I. An Engineering Approach to Digital Design. Englewood Cliffs, N.J: Prentice-Hall, 1980.
Dyfyniad MLAFletcher, William I. An Engineering Approach to Digital Design. Prentice-Hall, 1980.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.