address of the site that may be useful

http://www.dummies.com

http://www.wikipedia.org/

http://id.wikipedia.org

http://www.nfl.com

http://www.bbc.co.uk

https://www.google.com/

https://secure.footballamerica.co.uk

http://www.americanfootballmonthly.com/

http://en.wiktionary.org

http://wahidzachary.blogspot.com/

http://manchestercity45.blogspot.com/

http://bagasjkt.blogspot.com/

http://gilavespamania.blogspot.com/

http://dhikainfootball.blogspot.com

http://otakmeledak.blogspot.com/

http://www.mediafire.com

www.sport.bham.ac.uk/

www.scoresway.com

www.howstuffworks.com/

www.bbc.co.uk/sport/

www.flashscore.com/

www.thefreedictionary.com/

www.cracked.com

www.shanghaiamericanfootball.com

www.oddschecker.com

www.britishamericanfootball.org/‎

football.about.com

www.nfl-360.com

www.leaguelineup.com

www.sports-information.org/