• List of Bulgarian football transfers winter 2015–16
    Румъния" (in Bulgarian). gong.bg. 17 January 2016. "Берое се разделя с Антон Огнянов" (in Bulgarian). gong.bg. 11 January 2016. ""Берое" се раздели с...
    68 KB (1,259 words) - 17:49, 13 August 2023
  • List of Bulgarian football transfers winter 2017–18
    подписа с ЛЕВСКИ" (in Bulgarian). levski.bg. 30 January 2017. "Станислав Костов подписа договор с Левски" (in Bulgarian). levski.bg. 11 January 2018. "Двама...
    88 KB (1,833 words) - 17:49, 13 August 2023
  • 2018 FC Shakhter Karagandy season
    Karagandy. 3 July 2018. Retrieved 5 July 2018.[permanent dead link] "НИКОЛАЙ КОСТОВ — НОВЫЙ ГЛАВНЫЙ ТРЕНЕР ФК ШАХТЕР". shakhter.kz/ (in Russian). FC Shakhter...
    57 KB (899 words) - 19:37, 16 March 2024
  • List of Bulgarian football transfers winter 2016–17
    Берое привлече Душан Перниш (in Bulgarian). beroe.bg. 27 January 2017. Антон Карачанаков ще играе в Берое през пролетта (in Bulgarian). beroe.bg. 20...
    125 KB (3,593 words) - 19:36, 9 September 2023
  • List of Bulgarian football transfers winter 2022–23
    topsport.bg (in Bulgarian). Retrieved 8 February 2023. "Официално: Станислав Костов подписа с Локомотив София". gong.bg (in Bulgarian). Retrieved 2 March 2023...
    124 KB (4,648 words) - 15:53, 3 March 2024