एपीए उद्धरण

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

शिकागो स्टाइल उद्धरण

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

एमएलए उद्धरण

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