James Harness, Scotland's First Minister Humza Yousaf to resign, in BBC News, 29 aprile 2024. URL consultato il 29 aprile 2024.
«"Scottish National Party leader Humza Yousaf quits, triggering a search for a successor and new first minister[...] He calls for a leadership contest to find his replacement as soon as possible, and will remain first minister until then."»