APA-čujuhus (7. p.)
ebrary, Inc, & Pyšek, P. (2007). Ecology and management of giant hogweed (Heracleum mantegazziannum). CABI Pub..
Chicago-čujuhus (17. p.)
ebrary, Inc, juo Petr Pyšek. Ecology and Management of Giant Hogweed (Heracleum Mantegazziannum). Wallingford, Oxfordshire, UK ; Cambridge, MA, USA: CABI Pub., 2007.
MLA-čujuhus (9. p.)
ebrary, Inc, juo Petr Pyšek. Ecology and Management of Giant Hogweed (Heracleum Mantegazziannum). CABI Pub., 2007.
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