Underhill, C. R. (1933). Electrons at work. A simple and general treatise on elctronic devices, their circuits, and industrial uses. McGraw-Hill.
Cita Chicago Style (17a ed.)Underhill, Charles R. Electrons at Work. A Simple and General Treatise on Elctronic Devices, Their Circuits, and Industrial Uses. New York: McGraw-Hill, 1933.
Cita MLA (9a ed.)Underhill, Charles R. Electrons at Work. A Simple and General Treatise on Elctronic Devices, Their Circuits, and Industrial Uses. McGraw-Hill, 1933.
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