Gaya APA
Contemporary Lighting. (1967).
Netherlands:
N.V. Philips Gloelampenfabrieken.
Gaya Chicago
Contemporary Lighting.
.
Netherlands:
N.V. Philips Gloelampenfabrieken,
1967.
Text.
Gaya MLA
Contemporary Lighting.
.
Netherlands:
N.V. Philips Gloelampenfabrieken,
1967.
Text.
Gaya Turabian
Contemporary Lighting.
Netherlands:
N.V. Philips Gloelampenfabrieken,
1967.
Print.