User talk:Antoon Brinkmann

Welcome!
Hello, Antoon Brinkmann, and welcome to Wikipedia! Thank you for your contributions. I hope you like the place and decide to stay. Here are a few links to pages you might find helpful:
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Hamilton Hall (Columbia University)
Hi. It's not sufficient to put your source in the edit summary, you must add it to the article itself in the form of a reference. Look at the other references for examples of how it's done, but basically start with. In between, put the author, title, place and year of publication, the page where the information is located and the ISBN number of the book. BMK (talk) 23:31, 30 August 2015 (UTC)