Não informado. (1969). Latest information on national accounts of developing countries. Organisation for Economic Co-Operation and Development, Development Center.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিNão informado. Latest Information on National Accounts of Developing Countries. Paris: Organisation for Economic Co-Operation and Development, Development Center, 1969.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিNão informado. Latest Information on National Accounts of Developing Countries. Organisation for Economic Co-Operation and Development, Development Center, 1969.
সতর্কবাণী: সাইটেশন সবসময় 100% নির্ভুল হতে পারে না.