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শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিexecutive, Health and safety. Memorandum of Guidance on the Electricity at Work Regulations 1989. New York, NY : Health and Safety Executive, 2007.
M.L.A (9 ম সংস্করণ) উদ্ধৃতিexecutive, Health and safety. Memorandum of Guidance on the Electricity at Work Regulations 1989. New York, NY : Health and Safety Executive, 2007.
সতর্কবাণী: সাইটেশন সবসময় 100% নির্ভুল হতে পারে না.