Wurtenberger, G. (2006). European community plant variety protection. Oxford University press.
शिकागो स्टाइल उद्धरणWurtenberger, Gert....[et.al]. European Community Plant Variety Protection. Oxford: Oxford University press, 2006.
एमएलए उद्धरणWurtenberger, Gert....[et.al]. European Community Plant Variety Protection. Oxford University press, 2006.
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