* [Megurine Luka Wiki](https://vocaloid.fandom.com/wiki/Megurine_Luka/Discography#Off_Vocals)
* [Website von Crypton Future Media](https://www.crypton.co.jp/mp/vocaloid/character/luka/discography/)
* Inoffizielle Quellen:
* [NicoNico Douga](https://www.nicovideo.jp/)
* [YouTube](https://www.youtube.com/)
* [SoundCloud](https://soundcloud.com/)