Não informado. (1939). Fiat review of german science. British Intelligence Objectives Sub-Committee, Field Information Agency.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Fiat Review of German Science. London: British Intelligence Objectives Sub-Committee, Field Information Agency, 1939.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Fiat Review of German Science. British Intelligence Objectives Sub-Committee, Field Information Agency, 1939.
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