APA
Philips research reports: supplements. EINDHOVEN: N. V. PHILIPS' GLOEILAMPENFABRIEKEN.
Chicago
Philips research reports: supplements. EINDHOVEN: N. V. PHILIPS' GLOEILAMPENFABRIEKEN.
Harvard
Philips research reports: supplements. EINDHOVEN: N. V. PHILIPS' GLOEILAMPENFABRIEKEN.
MLA
EINDHOVEN: N. V. PHILIPS' GLOEILAMPENFABRIEKEN. .