Прво бугарско царство — разлика између измена

 

== Литература ==

* {{Cite book |ref= harv|last=Louth|first=Andrew|title=Greek East and Latin West: The Church, AD 681-1071|url=http://books.google.com/books?id=WlpPjOlVzQwC|year=2007|publisher=St Vladimir's Seminary Press|isbn=978-0-88141-320-5|pages=180}}

* {{Cite book |ref= harv| title = The Bulgarian Khans and Tsars |last=Andreev| first = Jordan |last2=Lalkov|first2=Milcho| chapter = |year=1996| language = Bulgarian | publisher = Abagar |isbn=978-954-427-216-6 }}

* {{Cite book |ref= harv|title= Word and Power in Mediaeval Bulgaria |last=Biliarsky|first=Ivan |authorlink=Ivan Biliarsky |coauthors= |year=2011|publisher=Brill |location=Leiden, Boston |isbn=9789004191457 |pages=582}}

 

== Референце ==

{{reflist|30em}}