Παραπομπή APA

Lang, J. G. (1989). Current, voltage and resistance. Wiley Eastern Ltd.

Παραπομπή Chicago Style

Lang, Johannes G. Current, Voltage and Resistance. New Delhi: Wiley Eastern Ltd, 1989.

Παραπομπή MLA

Lang, Johannes G. Current, Voltage and Resistance. Wiley Eastern Ltd, 1989.