Παραπομπή σε μορφή APA (7η εκδ.)

Gumhalter, H. (1985). Power supply systems in communications engineering. Part 2: Equipment engineering and planning instructions. Wiley Eastern Limited.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Gumhalter, Hans. Power Supply Systems in Communications Engineering. Part 2: Equipment Engineering and Planning Instructions. New Delhi: Wiley Eastern Limited, 1985.

Παραπομπή σε μορφή MLA (8th εκδ.)

Gumhalter, Hans. Power Supply Systems in Communications Engineering. Part 2: Equipment Engineering and Planning Instructions. Wiley Eastern Limited, 1985.