(1973). Aspects of business enterprise. Eindhoven: N. V. Philips Gloeilampenfabrieken.
Trích dẫn kiểu ChicagoAspects of Business Enterprise. Eindhoven: N. V. Philips Gloeilampenfabrieken, 1973.
MLA引文Aspects of Business Enterprise. Eindhoven: N. V. Philips Gloeilampenfabrieken, 1973.
警告:這些引文格式不一定是100%准確.