แหล่งที่มา WikiPedia: สู่นรกภูมิ http://www.danbrown.com/inferno/ http://deadline.com/2013/07/sony-dates-latest-dan-... http://abcnews.go.com/blogs/entertainment/2013/01/... http://www.hollywoodreporter.com/news/sony-sets-re... http://movieweb.com/rings-movie-release-date-hallo... http://www.naiin.com/product/detail/134169/%E0%B8%... https://www.worldcat.org/oclc/824723329
