User talk:David Tydeman

Hello, I'm Materialscientist. I noticed that you made a change to an article, 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. Materialscientist (talk) 23:14, 5 May 2015 (UTC)

May 2015
Please stop adding inappropriate images to Wikipedia, as you did to Prime Minister of Australia. If you continue, you may be blocked from editing. Agtx (talk) 00:09, 6 May 2015 (UTC)