4.0 4.1 4.2 Fritsch, R.M. (2002). "Chapter 1: Evolution, Domestication, and Taxonomy". In Rabinowitch, H.D.; Currah. L. (ed.). Allium Crop Science: Recent Advances. Wallingford, UK: CABI Publishing. pp. 9–10. ISBN 0-85199-510-1. {{cite book}}: Unknown parameter |coauthors= ignored (|author= suggested) (help)CS1 maint: multiple names: editors list (link)↑ 5.0 5.1 5.2 Eric Block, "Garlic and Other Alliums: The Lore and the Science" (Cambridge: Royal Society of Chemistry, 2010)↑ Brewster, James L. (1994). Onions and other vegetable Alliums (1st ed.). Wallingford, UK: CAB International. p. 16. ISBN 0-85198-753-2.↑ Linnaeus, Carolus (1753). Species Plantarum (Latin බසින්). Vol. 1. Stockholm: Laurentii Salvii. p. 262.{{cite book}}:  CS1 maint: unrecognized language (link)↑ "Allium cepa: Garden onion". The PLANTS Database. USDA: NRCS. 2013. සම්ප්‍රවේශය 2013-03-31.↑ "Allium cepa  L." ITIS. 2013-03-08. සම්ප්‍රවේශය 2013-04-01.↑ "Allium cepa Linnaeus". Flora of North America.↑ Grubb