著者名,書名,版表示,出版者名,出版年,シリーズ名,番号,ISBN,ISSN,URL
"Tolkien, J. R. R. (John Ronald Reuel) and Tolkien, Christopher","Sauron defeated : the end of the third age (the history of the Lord of the rings, part four). The Notion Club papers, and, The drowning of Anadûnê",,Harper Collins,1992,The History of Middle-earth,,0395606497,,https://cir.nii.ac.jp/crid/1130282271451351680