Villard P. 2013, s.v. "adû ", "anunna", "Ekallatum", "igigi", "Samsi-Addu", "Shubat-Enlil", in R.S. Bagnall, K. Brodersen, C.B. Champion, A. Erskine, S.R. Huebner (éd.) The Encyclopedia of Ancient History. Wiley-Blackwell, Hoboken, New-Jersey.