Não informado. (1947). British Science News. British Council, Combined Sciences Department.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. British Science News. London: British Council, Combined Sciences Department, 1947.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. British Science News. British Council, Combined Sciences Department, 1947.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.