Croft, T. W., & Hall, G. (1939). Practical electric illumination and signal-wiring methods (3rd ed.). McGraw-Hill.
Citace podle Chicago (17th ed.)Croft, Terrell Williams, a George Hall. Practical Electric Illumination and Signal-wiring Methods. 3rd ed. New York: McGraw-Hill, 1939.
Citace podle MLA (9th ed.)Croft, Terrell Williams, a George Hall. Practical Electric Illumination and Signal-wiring Methods. 3rd ed. McGraw-Hill, 1939.
Upozornění: Tyto citace jsou generovány automaticky. Nemusí být zcela správně podle citačních pravidel..