Παραπομπή APA

(1997). IESNA guide for directional positioning of photometric data. New York: Illuminating Engineering Society of North America.

Παραπομπή Chicago Style

IESNA Guide for Directional Positioning of Photometric Data. New York: Illuminating Engineering Society of North America, 1997.

Παραπομπή MLA

IESNA Guide for Directional Positioning of Photometric Data. New York: Illuminating Engineering Society of North America, 1997.

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