Gaya APA

Oriley, R, P. (1987). Electrical Grounding : Bringing Grounding Back to Earth : Based on The1987 National Electrical Code . Canada: Delmar Publisher.

Gaya MLA

Oriley, Ronald, P. "Electrical Grounding : Bringing Grounding Back to Earth : Based on The1987 National Electrical Code". Canada: Delmar Publisher, 1987. Text.