Наградной лист Умбетова Оспана. https://pamyat-naroda.ru/heroes/podvig-chelovek_nagrazhdenie27549449/?backurl=%2Fheroes%2F%3Flast_name%3D%D0 %A3%D0%BC%D0%B1%D0%B5%D1%82%D0%BE%D0%B2%26first_name%3 D%D0%9E%D1%81%D0%BF%D0%B0%D0%BD%26data_vibitiya_period%3Don %26group%3Dall%26types%3Dpamyat_commander%3Anagrady_nagrad_doc%3Anagrady_uchet_kartoteka%3Anagrady_ubilein_kartoteka%3Apdv_kart_in%3Apdv_kart_in_inostranec%3Apamyat_voenkomat%3Apotery_vpp%3Apamyat_zsp_parts%3Akld_ran%3Akld_bolezn%3Akld_polit%3Akld_upk%3Akld_vmf%3Apotery_doneseniya_o_poteryah%3Apotery_gospitali%3Apotery_utochenie_poter%3Apotery_spiski_zahoroneniy%3Apotery_voennoplen%3Apotery_iskluchenie_iz_spiskov%3Apotery_ kartoteki%3Apotery_rvk_extra%3Apotery_isp_extra%3Asame_doroga%26page%3 D1%26grouppersons%3D1&search_view_id=podvigchelovek_nagrazhdenie1509549 77&static_hash=e18361b88ecaba3453afb19badde1b6dv1
История России, ХХ век. М.: Просвещение, 1995.
9.http://www.polk.ru/forum/index.php?showtopic=5072 10Награднойлист№244https://pamyat-naroda.ru/heroes/podvig-chelovek_nagrazhdenie34141502/?backurl=%2Fheroes%2F%3Flast_name%3D%D0 %A3%D1%80%D0%BA%D0%B5%D0%BD%D1%88%D0%B8%D0%B5%D0%B 2%26group%3Dall%26types%3Dpamyat_commander%3Anagrady_nagrad_doc%3Anagrady_uchet_kartoteka%3Anagrady_ubilein_kartoteka%3Apotery_dones 11.https://pamyat-naroda.ru/heroes/podvig-chelovek_nagrazhdenie27038932/?backurl=%2Fheroes%2F%3Flast_name%3D%D0 %A3%D1%80%D0%BA%D0%B5%D0%BD%D1%88%D0%B8%D0%B5%D0%B 2%26group%3Dall%26types%3Dpamyat_commander%3Anagrady_nagrad_doc%3Anagrady 12.Интервью с сыном Меркимбека-Ергобеком от 28 января 2020года.