http://site.alexandergoldstein.com 

Alexander Goldstein

http://usasynchro.org/site54.aspx

USA Synchronized Swimming: The Ultimate Team Sport

http://www.fina.org/project/index.php?option=com_content&task=blogcategory&id=0&Itemid=53

FINA

http://aquatic-art.org/

International Academy of Aquatic Art

http://www.synchro.org.au/

Synchro Australia

http://www.olympic.org/en/content/Sports/All-Sports/Aquatics/Synchronized-Swimming/

IOC Official website of the Olympic Movement