Organisation for Economics Co-operation and Development. (1972). The engineering industries in OECD member countries: Basic statistics 1963-1970. Paris: Organisation for Economics Co-operation and Development.
শিকাগো স্টাইলে সাইটেশনOrganisation for Economics Co-operation and Development. The Engineering Industries in OECD Member Countries: Basic Statistics 1963-1970. Paris: Organisation for Economics Co-operation and Development, 1972.
এমএলএ সাইটেশনOrganisation for Economics Co-operation and Development. The Engineering Industries in OECD Member Countries: Basic Statistics 1963-1970. Paris: Organisation for Economics Co-operation and Development, 1972.
সতর্কবাণী: সাইটেশন সবসময় 100% নির্ভুল হতে পারে না.