Arakelova V., Iran and the Caucasus, [in:] Encyclopaedia Iranica Online, E. Yarshater (ed.), 2006, [www 01].
Iran and the Caucasus, [www 02]. 
Internet sources
[www 01] http://www.iranicaonline.org/articles/iran-and-the-caucasus (access: 01.11.2016)
[www 02] http://www.brill.com/iran-and-caucasus (access: 01.11.2016).