Würtenberger, G. (2021). European Union plant variety protection. Oxford University Press. https://doi.org/10.1093/oso/9780192898234.001.0001
Chicago-viite (17. p.)Würtenberger, Gert. European Union Plant Variety Protection. Oxford, United Kingdom, New York, NY: Oxford University Press, 2021. https://doi.org/10.1093/oso/9780192898234.001.0001.
MLA-viite (9. p.)Würtenberger, Gert. European Union Plant Variety Protection. Oxford University Press, 2021. https://doi.org/10.1093/oso/9780192898234.001.0001.
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