*Bredemeier, Ken; Saine, Cindy (July 13, 2017). [https://www.voanews.com/a/top-us-diplomar-heads-back-to-qatar-but-impasse-grinds-on/3942540.html Tillerson Ends Persian Gulf Trip With No Breakthrough on Qatar Blockade]. ''Voice of America''. Retrieved July 16, 2017. | *Bredemeier, Ken; Saine, Cindy (July 13, 2017). [https://www.voanews.com/a/top-us-diplomar-heads-back-to-qatar-but-impasse-grinds-on/3942540.html Tillerson Ends Persian Gulf Trip With No Breakthrough on Qatar Blockade]. ''Voice of America''. Retrieved July 16, 2017. |