Cita APA

(1977). CIA, Directorate of Intelligence, Soviet and Cuban Intervention in the Angolan Civil War, March 1977, Top Secret Umbra.

Citación estilo Chicago

CIA, Directorate of Intelligence, Soviet and Cuban Intervention in the Angolan Civil War, March 1977, Top Secret Umbra. 1977.

Cita MLA

CIA, Directorate of Intelligence, Soviet and Cuban Intervention in the Angolan Civil War, March 1977, Top Secret Umbra. 1977.

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