Kahl, B. (1982). C 520 D: 3-Digit-Analog/Digital-Wandler.
Cita Chicago (17th ed.)Kahl, B. C 520 D: 3-Digit-Analog/Digital-Wandler. Frankfurt/Oder, 1982.
Cita MLA (8th ed.)Kahl, B. C 520 D: 3-Digit-Analog/Digital-Wandler. 1982.
Atenció: Aquestes cites poden no estar 100% correctes.