Tham khảo Tết_Trùng_cửu

  1. ↑ Zhao, Rongguang (2015). A History of Food Culture in China. SCPG Publishing Corporation. tr. 14. ISBN 978-1938368165. 
  2. 1 2 Roy, Christian (2004). Traditional Festivals: A Multicultural Encyclopedia. tr. 116. ISBN 978-1576070895. 
  3. ↑ National Folk Museum of Korea (2015). Encyclopedia of Korean Seasonal Customs: Encyclopedia of Korean Folklore and Traditional Culture. Gil-Job-Ie Media. tr. 232. 
  4. ↑ https://lichvannien365.com/tet-trung-cuu-su-that-va-y-nghia-cua-no.html