Dutfield, G. (2000). Intellectual property rights, trade and biodiversity: Seeds and plant varieties. Earthscan publications.
শিকাগো স্টাইলে সাইটেশনDutfield, Graham. Intellectual Property Rights, Trade and Biodiversity: Seeds and Plant Varieties. London: Earthscan publications, 2000.
এমএলএ সাইটেশনDutfield, Graham. Intellectual Property Rights, Trade and Biodiversity: Seeds and Plant Varieties. Earthscan publications, 2000.
সতর্কবাণী: সাইটেশন সবসময় 100% নির্ভুল হতে পারে না.