Encyclopædia Iranica. Balaban.: «BĀLĀBĀN, a cylindrical-bore, double-reed wind instrument about 35cm long with seven finger holes and one thumb hole.It is played in eastern Azerbaijan in Iran and Soviet Azerbaijan (where it is also called düdük).», pristupljeno 10. ožujka 2020.
Ch, R. A. M.; 51, Rakausika राम च. 18. studenoga 2012. The Music Of Azerbaijan. A World,s Heritage Of Native Music. Pristupljeno 15. ožujka 2020.CS1 održavanje: numerička imena: authors list (link)