Hazeu, H. A. G. (1971). Fifty years of electronic components. The Netherlands: Product Division Elcoma of N.V. Philips' Gloeilampenfabrieken.
Παραπομπή Chicago StyleHazeu, H. A. G. Fifty Years of Electronic Components. The Netherlands: Product Division Elcoma of N.V. Philips' Gloeilampenfabrieken, 1971.
Παραπομπή MLAHazeu, H. A. G. Fifty Years of Electronic Components. The Netherlands: Product Division Elcoma of N.V. Philips' Gloeilampenfabrieken, 1971.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.