1. Chu, Phan Huy, Lich Trieu Hien Chuong Loai Chi, Volume II, (Van tich chi) (published in 1819), Translated by the Institute of Vietnamese History, Publishing House. Education, Hanoi, 2005.
2. Civil Code No. 91/2015/QH13, of the National Assembly of the Socialist Republic of Vietnam, 15th tenure, November 24, 2015.
3. David Johnston, The Cambridge Companion to Roman Law, Cambridge University Press, NY, 2015.
4. Deloustal, Raymond. (2011). La Justice de L’Ancien Annam, Traduction at Commentaire du Code des Le. IDEO Publishing House. Hanoi.
5. Garner, Bryan A. (Editor in Chief). (2009). Black's Law Dictionary – 9th E. Thomson Reuters. USA.