Não informado. (1936). Philips Technical Review. Philips Research Laboratories.
Chicagoスタイル(17版)引用形式Não informado. Philips Technical Review. Eindhoven, Holanda: Philips Research Laboratories, 1936.
MLA(8版)引用形式Não informado. Philips Technical Review. Philips Research Laboratories, 1936.
警告: この引用は必ずしも正確ではありません.