Svenska ogräskonferensen Uppsala, Sweden, & Sveriges lantbruksuniversitet. (1980). Weeds and weed control: 21st Swedish Weed Conference, Uppsala 30 January - 1 February 1980. Department of Plant Husbandry and Research Information Centre, Swedish University of Agricultural Sciences.
Chicago Style (17th ed.) CitationSvenska ogräskonferensen Uppsala, Sweden, and Sveriges lantbruksuniversitet. Weeds and Weed Control: 21st Swedish Weed Conference, Uppsala 30 January - 1 February 1980. Uppsala: Department of Plant Husbandry and Research Information Centre, Swedish University of Agricultural Sciences, 1980.
MLA (9th ed.) CitationSvenska ogräskonferensen Uppsala, Sweden, and Sveriges lantbruksuniversitet. Weeds and Weed Control: 21st Swedish Weed Conference, Uppsala 30 January - 1 February 1980. Department of Plant Husbandry and Research Information Centre, Swedish University of Agricultural Sciences, 1980.