APA (7th ed.) Citation

Institute), R. F. E. L. R. I. (. R. "Voluntary" Labor Brigade of the Stara Zagora Teacher's Institute.

Chicago Style (17th ed.) Citation

Institute), Radio Free Europe/Radio Liberty Research Institute (RFE/RL Research. "Voluntary" Labor Brigade of the Stara Zagora Teacher's Institute.

MLA (8th ed.) Citation

Institute), Radio Free Europe/Radio Liberty Research Institute (RFE/RL Research. "Voluntary" Labor Brigade of the Stara Zagora Teacher's Institute.

Warning: These citations may not always be 100% accurate.