- worldfootball.net player_summary/orkun-koekcue/Orkun Kökçü - SL Benfica, Feyenoord, Jong Feyenoord...Bulunamadı: кёкчю
- aiscore.com ru/player-benfica/g6763ido1o1t97r
- wiki2.org ru/Кёкчю,_Оркун
- ru.whoscored.com Players/355870/Show/Orkun-KökçüBulunamadı: кёкчю
- nb-bet.com Players/24754-Orkun-Kyokchyu-…
- web.archive.org web/20230226210548/https://ru.…
- sportliga.com players/orkun_kekchyu
- hwceleb.com ru/person/orkun-kokcu/