APA
Gumhalter H., Coronel C., . (2003). Power Supply Systems in Communication Engineering. Singapore: Thomson Publishing.
Chicago
Gumhalter Hans, Coronel Carlos, . 2003. Power Supply Systems in Communication Engineering. Singapore: Thomson Publishing.
Harvard
Gumhalter H., Coronel C., . (2003). Power Supply Systems in Communication Engineering. Singapore: Thomson Publishing.
MLA
Gumhalter Hans, Coronel Carlos, . Power Supply Systems in Communication Engineering. Singapore: Thomson Publishing. 2003.