United Nations. Conference on Trade and Development, Geneva. (1972). Guidelines for the study of the transfer of technology to developing countries. United Nations.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিUnited Nations. Conference on Trade and Development, Geneva. Guidelines for the Study of the Transfer of Technology to Developing Countries. United Nations, 1972.
M.L.A (9 ম সংস্করণ) উদ্ধৃতিUnited Nations. Conference on Trade and Development, Geneva. Guidelines for the Study of the Transfer of Technology to Developing Countries. United Nations, 1972.
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