Some sources are more reliable than others. Here's a list (not exhaustive) of sources which are suitable, or are explicitly banned. Unless referencing something you've seen in Power Rangers or Sentai episodes or movies, a source should be cited. * Reputable news websites, such as USA Today * Press releases * Saban, Toei, Nickelodeon, TV Asahi, powerrangers.com and super-sentai.net websites