User talk:24.147.239.19

October 2017
Hello, I'm 78.94.53.130. I noticed that you made a change to an article, Nobel Prize controversies, but you didn't provide a reliable source. It's been removed and archived in the page history for now, but if you'd like to include a citation and re-add it, please do so! If you need guidance on referencing, please see the referencing for beginners tutorial, or if you think I made a mistake, you can leave me a message on my talk page. Thank you. 78.94.53.130 (talk) 10:58, 9 October 2017 (UTC)