executive, H. a. s. (2007). Memorandum of guidance on the electricity at work regulations 1989. New York, NY : Health and Safety Executive.
Chicagoスタイル(17版)引用形式executive, Health and safety. Memorandum of Guidance on the Electricity at Work Regulations 1989. New York, NY : Health and Safety Executive, 2007.
MLA(9版)引用形式executive, Health and safety. Memorandum of Guidance on the Electricity at Work Regulations 1989. New York, NY : Health and Safety Executive, 2007.
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