APA

dutifield g., . (2000). Intellectual property rights, trade and biodiversity : seeds and plant varieties. London: Earthscan.

Chicago

dutifield grabam, . 2000. Intellectual property rights, trade and biodiversity : seeds and plant varieties. London: Earthscan.

Harvard

dutifield g., . (2000). Intellectual property rights, trade and biodiversity : seeds and plant varieties. London: Earthscan.

MLA

dutifield grabam, . Intellectual property rights, trade and biodiversity : seeds and plant varieties. London: Earthscan. 2000.