Macijev, A. G.;Ozdojev, I. A.;Džamalxanov, Z. D. (1962),Нохчийн-гӏалгӏайн-оьрсийн словарь / Чеченско-ингушско-русский словарь [Chechen–Ingush–Russian dictionary] (in Russian), Grozny: Chechen-Ingush Book Publishing House, page92: “кхоъ ―kxo”
Macijev, A. G.;Ozdojev, I. A.;Džamalxanov, Z. D. (1962),Нохчийн-гӏалгӏайн-оьрсийн словарь / Чеченско-ингушско-русский словарь [Chechen–Ingush–Russian dictionary] (in Russian), Grozny: Chechen-Ingush Book Publishing House, page92: “кхоъ ―kxo”