Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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