Institute), R. F. E. L. R. I. (. R. The Faculty of Physics and Mathematics at the University of Sofia.
Chicago Style (17th ed.) CitationInstitute), Radio Free Europe/Radio Liberty Research Institute (RFE/RL Research. The Faculty of Physics and Mathematics at the University of Sofia.
MLA (8th ed.) CitationInstitute), Radio Free Europe/Radio Liberty Research Institute (RFE/RL Research. The Faculty of Physics and Mathematics at the University of Sofia.
Warning: These citations may not always be 100% accurate.