1.SAMPLE SCRIPTS : http://www.filmscriptwriting.com/samplescripts.html
USEFUL LINKS : HOW TO WRITE A SCRIPT ?
1.http://scriptfrenzy.org/howtoformatascreenplay
2.http://entertainment.timesonline.co.uk/tol/arts_and_entertainment/film/article3336775.ece
3.http://www.screenwriting.info/
4.http://www.bbc.co.uk/writersroom/writing/tips_shortfilm.shtml
5.http://www.visualwriter.com/howto/ShortScr.htm