@misc{ainuspeechcontest,
  title = {アイヌ語弁論大会 (Ainu Language Speech Contest)},
  author = {北原 モコットゥナㇱ},
  year = {2023},
  howpublished = {https://www.ff-ainu.or.jp/web/learn/language/itakanro/files/r05\_pg\_22.pdf}
}