Keller, K. J. Electrical safety code manual: A plain language guide to National electrical code, OSHA, and NFPA 70E.
芝加哥风格引文Keller, K. J. Electrical Safety Code Manual: A Plain Language Guide to National Electrical Code, OSHA, and NFPA 70E.
MLA引文Keller, K. J. Electrical Safety Code Manual: A Plain Language Guide to National Electrical Code, OSHA, and NFPA 70E.
警告：这些引文格式不一定是100％准确.