Παραπομπή APA

Lang, J. G. (1979). Current, voltage and resistance. Wiley eastern ltd.

Παραπομπή Chicago Style

Lang, Johannes G. Current, Voltage and Resistance. New Delhi: Wiley eastern ltd, 1979.

Παραπομπή MLA

Lang, Johannes G. Current, Voltage and Resistance. Wiley eastern ltd, 1979.