Cyfeiriadau[golygu | golygu cod y dudalen]
- Brooks, Libby (30 May 2007). "Alongside penicillin, tarmacadam and the bicycle, there is another Scottish invention that has genuinely rocked the world: Irn Bru.". The Guardian (London). https://www.theguardian.com/commentisfree/2007/may/30/scotlandsothernationaldrink. Adalwyd 5 February 2012.
- "During the years Irn-Bru has been advertised as "Scotland's other National Drink", referring to whisky.". Sky News. 27 May 2009. http://news.sky.com/home/business/article/15289010. Adalwyd 5 February 2012.