International Electrotechnical Commission (IEC). (2009). Low-Voltage Electrical Installations: Part 5-56: Selection and erection of electrical equipment - safety services (2.0a edición.). IEC.
Chicago Style (17th ed.) CitationInternational Electrotechnical Commission (IEC). Low-Voltage Electrical Installations: Part 5-56: Selection and Erection of Electrical Equipment - Safety Services. 2.0a edición. Geneva: IEC, 2009.
MLA (9th ed.) CitationInternational Electrotechnical Commission (IEC). Low-Voltage Electrical Installations: Part 5-56: Selection and Erection of Electrical Equipment - Safety Services. 2.0a edición. IEC, 2009.
Warning: These citations may not always be 100% accurate.