APA引文

(1975). Professional products. Eindhoven: N.V. Philips' Gloeilampenfabrieken.

Trích dẫn kiểu Chicago

Professional Products. Eindhoven: N.V. Philips' Gloeilampenfabrieken, 1975.

MLA引文

Professional Products. Eindhoven: N.V. Philips' Gloeilampenfabrieken, 1975.

警告：這些引文格式不一定是100％准確.