APA استشهاد

Rieger, H. (1989). Alternating voltage and current. Wiley Eastern Ltd.

استشهاد بنمط شيكاغو

Rieger, Heinz. Alternating Voltage and Current. New Delhi: Wiley Eastern Ltd, 1989.

MLA استشهاد

Rieger, Heinz. Alternating Voltage and Current. Wiley Eastern Ltd, 1989.