Бела од Мачве — разлика између измена

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* {{Cite book |ref= harv|last=Fine|first=John Van Antwerp|authorlink=Џон ван Антверп Фајн|title=The Late Medieval Balkans: A Critical Survey from the Late Twelfth Century to the Ottoman Conquest|url=https://books.google.com/books?id=LvVbRrH1QBgC|year=1994|publisher=University of Michigan Press|isbn=978-0-472-08260-5}}

* Kontler, László: ''Millennium in Central Europe - A History of Hungary''; Atlantisz Publishing House, 1999, Budapest. {{page|year=|id=ISBN 963-9165-37-9|pages=}}