YouPorn xtube.com网站信息. Alexa Internet. [2018-02-23]. (原始内容存档于2022-04-01). CallumBooth. Porn site XTube is shutting down on September 5. TNW. 2021-07-06 [2021-07-22]
Meurig Thomas FRS, 化學家 文学·古典学·历史学 T. Harri Jones, 詩人 Sir Mungo William MacCallum, 以英語和德語文學批評著稱 Kenneth O. Morgan Baron Morgan of Aberdyfi, 歷史學家,作家 Mihangel
Features. OS X Daily. 2018-06-04 [2018-06-06]. (原始内容存档于2018-06-07). CallumBooth. We ranked macOS Mojave's new features from best to worst. The Next Web