"लीटर": अवतरणों में अंतर

* [https://web.archive.org/web/20140905111842/http://www.bipm.org/en/si/si_brochure/ BIPM's "SI Brochure"]

* [https://web.archive.org/web/20091001100650/http://www.bipm.org/en/si/si_brochure/chapter4/table6.html BIPM's "(Table 6 -) Non-SI units accepted for use with the International System"]

* [https://web.archive.org/web/20161231025827/http://physics.nist.gov/cuu/Units/units.html NIST note on SI units]

* [https://web.archive.org/web/20091031222735/http://physics.nist.gov/cuu/Units/outside.html NIST recommends uppercase letter L]

* [https://web.archive.org/web/20080611185821/http://www.npl.co.uk/server.php?show=nav.630 UK National Physical Laboratory's "Internationally recognised non SI units" page]