引用错误:没有为名为MetroProjectSite的参考文献提供内容 Metro issues Notice to Proceed for Crenshaw/LAX Line!. The Source (Metro (LACMTA)). September 10, 2013 [January 22, 2014]. (原始内容存档于2022-02-05)
binary, database entry, SIMBAD. Accessed on line August 28, 2008. Delta Andromedae (K3 III) - an IRAS source with an unusual ultraviolet spectrum, P. G
about Expo 2 opening on May 20. The Source (Metro). February 25, 2016 [2016-05-21]. (原始内容存档于2017-02-22). Purple Line Extension (project website). Metro