Tài liệu tham khảo WikiPedia: Westlife //nla.gov.au/anbd.aut-an42203141 http://www.myspace.com/westlife http://www.westlife.com/ http://www.youtube.com/westlife http://aleph.nkp.cz/F/?func=find-c&local_base=aut&... http://catalogue.bnf.fr/ark:/12148/cb140296061 http://data.bnf.fr/ark:/12148/cb140296061 http://www.idref.fr/08230484X http://id.loc.gov/authorities/names/nr00020751 http://www.rte.ie/ten/2011/1019/westlife.html
