executive, H. a. s. (2007). Memorandum of guidance on the electricity at work regulations 1989. New York, NY : Health and Safety Executive.
Chicago-referens (17:e uppl.)executive, Health and safety. Memorandum of Guidance on the Electricity at Work Regulations 1989. New York, NY : Health and Safety Executive, 2007.
MLA-referens (9:e uppl.)executive, Health and safety. Memorandum of Guidance on the Electricity at Work Regulations 1989. New York, NY : Health and Safety Executive, 2007.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.