Tohutoro APA (7th ed.)

Frier, J. P., & Frier, M. E. G. (1980). Industrial lighting systems. McGraw-Hill.

Tohutoru Kātū Chicago

Frier, John P., me Mary E. Gazley Frier. Industrial Lighting Systems. New York: McGraw-Hill, 1980.

Tohutoro MLA

Frier, John P., me Mary E. Gazley Frier. Industrial Lighting Systems. McGraw-Hill, 1980.