Kaynak: https://www.jstor.org/stable/551334
Videoda kullanılan müzik:
Gates Of Glory by Alexander Nakarada | https://www.serpentsoundstudios.com
Music promoted by https://www.free-stock-music.com
Attribution 4.0 International (CC BY 4.0)
https://creativecommons.org/licenses/by/4.0/
source