<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ichef-1.bbci.co.uk/news/ws/560/amz/worldservice/live/assets/images/2013/03/13/130313153453_fa_rmer_464x261_afp.jpg>
<http://bbcvietnamese.com/vietnamese/vietnam/2013/03/130313_chinh_quyen_va_tu_do.shtml>