http://www.imdb.com/Title?0286106

http://www.signsmovie.co.uk/

http://movies.about.com/library/weekly/aa072902a.htm

http://www.thebestpageintheuniverse.net/c.cgi?u=signs

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http://www.themoviespoiler.com/Spoilers/signs.html

http://www.thefind.com/movies/info-movie-sign

http://www.netflix.com/Movie/Signs/60023613

http://www.moviesonline.ca/movienews_4699.html

http://www.ew.com/ew/article/0,,232179,00.html

http://www.moviesonline.ca/%255C%255Cwww.moviesonline.ca/film127.htm

http://www.moviesforguys.com/thriller/reviews/signs.shtml

http://www.boundless.org/2001/departments/atplay/a0000622.html

http://www.dailymotion.com/video/x8ffgi_watch-the-movie-signs_shortfilms

http://www.gametrailers.com/user-movie/re4-signs/12488

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http://www.associatedcontent.com/article/1566709/movie_review_signs.html

http://www.joblo.com/reviews.php?mode=joblo_movies&id=875

http://www.blockbuster.com/movies/vital-signs.html