Gumhalter, H. Power Supply in Telecommunications. Springer International Publishing.
Citazione stile Chigago Style (17a edizione)Gumhalter, Hans. Power Supply in Telecommunications. Cham: Springer International Publishing.
Citatione MLA (8a ed.)Gumhalter, Hans. Power Supply in Telecommunications. Springer International Publishing.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.