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) LADD G. W.,Parents' Management of Preschooler's Peer Relations: Is It Related to Children's Social Competence?,Develop. Psychol.,,,1988,24,,109-117,https://cir.nii.ac.jp/crid/1570854174466946304,