User talk:74.123.204.6

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 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) 08:54, 23 November 2013 (UTC)

August 2018
Hello, I'm Walter Görlitz. I noticed that you made one or more changes to an article, El Tráfico, 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. Walter Görlitz (talk) 22:54, 21 August 2018 (UTC)
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