@book{vu-trung-tuy-but,
  title = {Vũ Trung tùy bút 雨中隨筆},
  author = {Phạm Đình Hổ 范廷琥},
  url = {https://viet-dien.com/t/vu-trung-tuy-but/18},
  pages = {18},
  urldate = {2026-09-11},
}