APA citiranje

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

Trích dẫn kiểu Chicago

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

MLA citiranje

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

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