Cita APA

Shaffer, H. G. (1970). Progress in Hungary. Problems of communism. - International Communication Agency.

Citación estilo Chicago

Shaffer, Harry G. "Progress in Hungary." Problems of Communism. - International Communication Agency 1970.

Cita MLA

Shaffer, Harry G. "Progress in Hungary." Problems of Communism. - International Communication Agency, 1970.