Timmins, R.J., Duckworth, J.W., Samba Kumar, N., Anwarul Islam, Md., Sagar Baral, H., Long, B. & Maxwell, A. Axis porcinus // IUCNRed List of Threatened Species. International Union for Conservation of Nature, 2008. Посетен на 8 април 2009. (на английски) Database entry includes a brief justification of why this species is of endangered.