Deismireacht APA

(1976). Forty years of enterprise. Eindhoven: N.V. Philips' Gloeilampenfabrieken.

Trích dẫn kiểu Chicago

Forty Years of Enterprise. Eindhoven: N.V. Philips' Gloeilampenfabrieken, 1976.

Deismireacht MLA

Forty Years of Enterprise. Eindhoven: N.V. Philips' Gloeilampenfabrieken, 1976.

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