Dyfyniad APA

Dutfield, G. (2000). Intellectual property rights, trade and biodiversity: Seeds and plant varieties. Earthscan publications.

Dyfyniad Arddull Chicago

Dutfield, Graham. Intellectual Property Rights, Trade and Biodiversity: Seeds and Plant Varieties. London: Earthscan publications, 2000.

Dyfyniad MLA

Dutfield, Graham. Intellectual Property Rights, Trade and Biodiversity: Seeds and Plant Varieties. Earthscan publications, 2000.

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