Доналд Никол — разлика између измена

* {{citation |first=Anthony |last=Bryer | title=Professor Donald Nicol (Obituary) | newspaper=The Independent |date=3. 10. 2003. |url=https://www.independent.co.uk/news/obituaries/professor-donald-nicol-755469.html |accessdate=15. 05. 2019 |archive-date=27. 09. 2011 |archive-url=https://web.archive.org/web/20110927032249/http://www.independent.co.uk/news/obituaries/professor-donald-nicol-755469.html |url-status=dead }}