Cita APA (7th ed.)

Schram, P. J., & Earley, M. W. (1997). Electrical installations in hazardous locations.

Cita Chicago (17th ed.)

Schram, Peter J., i Mark W. Earley. Electrical Installations in Hazardous Locations. Quincy, Massachusetts, National Fire Protection Association, 1997.

Cita MLA (9th ed.)

Schram, Peter J., i Mark W. Earley. Electrical Installations in Hazardous Locations. 1997.