Fogelberg, F. (1998). Physical weed control: Intra-row brush weeding and photocontrol in carrots (Daucus carota L.). Swedish University of Agricultural Sciences.
Chicago-viite (17. p.)Fogelberg, Fredrik. Physical Weed Control: Intra-row Brush Weeding and Photocontrol in Carrots (Daucus Carota L.). Alnarp: Swedish University of Agricultural Sciences, 1998.
MLA-viite (8. p.)Fogelberg, Fredrik. Physical Weed Control: Intra-row Brush Weeding and Photocontrol in Carrots (Daucus Carota L.). Swedish University of Agricultural Sciences, 1998.
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