Não informado. (1915). Bulletin of the Public Affairs Information Service. Public Affairs Information Service.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Bulletin of the Public Affairs Information Service. New York: Public Affairs Information Service, 1915.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Bulletin of the Public Affairs Information Service. Public Affairs Information Service, 1915.
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