Cita APA (7a ed.)

(1965). CONTEMPORANY lighting. Philips Gloeilampenfabriken.

Cita Chicago Style (17a ed.)

CONTEMPORANY Lighting. Eindhoven (Netherlands): Philips Gloeilampenfabriken, 1965.

Cita MLA (8a ed.)

CONTEMPORANY Lighting. Philips Gloeilampenfabriken, 1965.