Orgasnisation for Economic Co-operation and Development. (1980). Environment policies for the 1980s. OECD.
শিকাগো স্টাইলে সাইটেশনOrgasnisation for Economic Co-operation and Development. Environment Policies for the 1980s. Paris: OECD, 1980.
এমএলএ সাইটেশনOrgasnisation for Economic Co-operation and Development. Environment Policies for the 1980s. OECD, 1980.
সতর্কবাণী: সাইটেশন সবসময় 100% নির্ভুল হতে পারে না.