Não informado. (1956). Philips telecommunication review. Philips Gloeilampenfabrieken.
Chicagoスタイル(17版)引用形式Não informado. Philips Telecommunication Review. Eindhoven, Holanda: Philips Gloeilampenfabrieken, 1956.
MLA(8版)引用形式Não informado. Philips Telecommunication Review. Philips Gloeilampenfabrieken, 1956.
警告: この引用は必ずしも正確ではありません.