Gray, P. E., & Searle, C. L. (1969). Electronic principles: Physics, models, and circuits.

Gray, Paul E., and Campbell L. Searle. Electronic Principles: Physics, Models, and Circuits. New York, New York : Willey, 1969.

Gray, Paul E., and Campbell L. Searle. Electronic Principles: Physics, Models, and Circuits. 1969.