paragraph_text: Izravni sustav usvojio je UN u 2012. godini,<ref> Bulgarian. Report on the Current Status of United Nations Romanization Systems for Geographical Names. Compiled by the UNGEGN Working Group on Romanization Systems. Version 4.0, February 2013. i je službenim sustavom u SAD-u kao i u Ujedinjenom Kraljevstvu od 2013. godine.<ref> Romanization System for Bulgarian: BGN/PCGN 2013 System. National Geospatial-Intelligence Agency, September 2014. Ivanov sugerira njegov pristup transliteracija koristiti i za druge ćirilične pisma, osobito ruske abecede.<ref>Ivanov, L. Streamlined Romanization of Russian Cyrillic. Contrastive Linguistics. XLII (2017) No. 2. pp. 66-73.