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 "Dule, Narindara and Kaula, Omakāra Aina.",Punjabi phonetic reader,,Central Institute of Indian Languages,1980,CIIL phonetic reader series,,,,https://cir.nii.ac.jp/crid/1130282272193829120