Cita APA

Radio Free Europe, Radio Liberty. (1972). Listening to RFE programs in Bulgaria in 1971: (A technical report).

Citación estilo Chicago

Radio Free Europe, Radio Liberty. Listening to RFE Programs in Bulgaria in 1971: (A Technical Report). Munich, 1972.

Cita MLA

Radio Free Europe, Radio Liberty. Listening to RFE Programs in Bulgaria in 1971: (A Technical Report). 1972.