citing
biography.com
http://www.biography.com/people/cristiano-ronaldo-555730?page=1#intro-to-soccer
IMDb.com
http://www.imdb.com/name/nm1860184/bio
ESPN FC
http://soccernet.espn.go.com/player/_/id/22774/cristiano-dos-santos-aveiro-ronaldo?cc=5901
soccer-fans-info
http://www.soccer-fans-info.com/cristiano-ronaldo-biography.html
infoplease.com
http://www.infoplease.com/biography/var/cristianoronaldo.html.
image
//www.zimbio.com/
image
http://www.footballerpictures.co.uk/bank/cristiano+ronaldo+shooting+pictures
http://www.biography.com/people/cristiano-ronaldo-555730?page=1#intro-to-soccer
IMDb.com
http://www.imdb.com/name/nm1860184/bio
ESPN FC
http://soccernet.espn.go.com/player/_/id/22774/cristiano-dos-santos-aveiro-ronaldo?cc=5901
soccer-fans-info
http://www.soccer-fans-info.com/cristiano-ronaldo-biography.html
infoplease.com
http://www.infoplease.com/biography/var/cristianoronaldo.html.
image
//www.zimbio.com/
image
http://www.footballerpictures.co.uk/bank/cristiano+ronaldo+shooting+pictures