Dummer, G. W. A. (1963). Variable resistors and potentiometers (2. ed.). Pitman.
Chicago Style (17th ed.) CitationDummer, Geoffrey W. A. Variable Resistors and Potentiometers. 2. ed. London: Pitman, 1963.
MLA (9th ed.) CitationDummer, Geoffrey W. A. Variable Resistors and Potentiometers. 2. ed. Pitman, 1963.
Warning: These citations may not always be 100% accurate.