■スコットランド英語 参考文献 (上級者向け)
Phonological Differences between Received Pronunciation and Standard Scottish English
https://www.semanticscholar.org/paper/Phonological-Differences-between-Received-and-Cao-Jin/494ab6fcb1833b06e6c422c43bb85ed18a507b5d
Acquisition of Scottish English Phonology: an overview
https://www.semanticscholar.org/paper/Acquisition-of-Scottish-English-Phonology%3A-an-Scobbie-Gordeeva/41c4af90fe6e49895aa1e33a37eaeb335aaf749d
Scottish English (Wikipediaのため、あくまで論文や音声との照らし合わせ用)
https://en.wikipedia.org/wiki/Scottish_English