User talk:Ahmed hany 16

October 2018
Hello, I'm Mattythewhite. I noticed that you made one or more changes to an article, Christian Gross, 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. Mattythewhite (talk) 22:55, 6 October 2018 (UTC)

Please do not add or change content, as you did at Christian Gross, without citing a reliable source. Please review the guidelines at Citing sources and take this opportunity to add references to the article. Thank you. --Jaellee (talk) 22:58, 6 October 2018 (UTC)