著者名,論文名,雑誌名,ISSN,出版者名,出版日付,巻,号,ページ,URL,URL(DOI) Marilyn May Vihman and Mel Greenlee,Individual Differences in Phonological Development,"Journal of Speech, Language, and Hearing Research",1092-4388,American Speech Language Hearing Association,1987-12,30,4,503-521,https://cir.nii.ac.jp/crid/1360579817540913664,https://doi.org/10.1044/jshr.3004.503