Organisation for Economic Co-operation and Development. (1971). The chemical industry. Paris: Organisation for Economic Co-operation and Development.
শিকাগো স্টাইলে সাইটেশনOrganisation for Economic Co-operation and Development. The Chemical Industry. Paris: Organisation for Economic Co-operation and Development, 1971.
এমএলএ সাইটেশনOrganisation for Economic Co-operation and Development. The Chemical Industry. Paris: Organisation for Economic Co-operation and Development, 1971.
সতর্কবাণী: সাইটেশন সবসময় 100% নির্ভুল হতে পারে না.