APA
Commission Internationale de l'Eclairage, International Commission on Illumination & CIE Publication 74. (1988). Roadsigns. Wien: Commission Internationale de l'Eclairage.
Chicago
Commission Internationale de l'Eclairage, International Commission on Illumination and CIE Publication 74. 1988. Roadsigns. Wien: Commission Internationale de l'Eclairage.
Harvard
Commission Internationale de l'Eclairage, International Commission on Illumination and CIE Publication 74. (1988). Roadsigns. Wien: Commission Internationale de l'Eclairage.
MLA
Commission Internationale de l'Eclairage, International Commission on Illumination and CIE Publication 74. Roadsigns. Wien: Commission Internationale de l'Eclairage. 1988.