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শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিCouncil of Scientific and Industrial Research. Patented Inventions of the C.S.I.R. New Delhi: Council of Scientific and Industrial Research, 1951.
M.L.A (9 ম সংস্করণ) উদ্ধৃতিCouncil of Scientific and Industrial Research. Patented Inventions of the C.S.I.R. Council of Scientific and Industrial Research, 1951.
সতর্কবাণী: সাইটেশন সবসময় 100% নির্ভুল হতে পারে না.