Gaya APA

PHILIPS, . (1974). Electron tubes : transmitting tubes communication, tubes for r.f.heating, amplifier circuits assemblies jilid 1b . Netherlands: PHILIPS.

Gaya MLA

PHILIPS, . "Electron tubes : transmitting tubes communication, tubes for r.f.heating, amplifier circuits assemblies jilid 1b". Netherlands: PHILIPS, 1974. Text.