Cita APA (7th ed.)

Earley, M. W., Murray, R. H., & Caloggero, J. M. National electrical code handbook (6a ed.).

Cita Chicago (17th ed.)

Earley, Mark W., Richard H. Murray, i John M. Caloggero. National Electrical Code Handbook. 6a ed.

Cita MLA (8th ed.)

Earley, Mark W., et al. National Electrical Code Handbook. 6a ed.