Παραπομπή APA

(1994). Review of the official recommendations of the CIE for the colours of signal lights. Vienna: Commission Internationale de l'Eclairage.

Παραπομπή Chicago Style

Review of the Official Recommendations of the CIE for the Colours of Signal Lights. Vienna: Commission Internationale de l'Eclairage, 1994.

Παραπομπή MLA

Review of the Official Recommendations of the CIE for the Colours of Signal Lights. Vienna: Commission Internationale de l'Eclairage, 1994.

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