R. M. Sultanbekov, “Novoe issledovanie ob agulakh. Rets. na kn.: Ibragimov I.G. «Aguly XVIII-pervaya polovina XIX veka». Makhachkala: Alef, 2008. 230 s”., ИАЭК, vol. 4, no. 4, pp. 200–202, Dec. 2008, doi: 10.32653/CH44200-202.