@book{vu-trung-tuy-but,
  title = {Vũ Trung tùy bút 雨中隨筆},
  author = {Phạm Đình Hổ 范廷琥},
  url = {https://www.viet-dien.com/t/vu-trung-tuy-but/7},
  pages = {7},
  urldate = {2026-09-05},
}