Não informado. (1956). Atomics, Engineering and Technology. Leonard Hill Technical Group.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Atomics, Engineering and Technology. London: Leonard Hill Technical Group, 1956.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Atomics, Engineering and Technology. Leonard Hill Technical Group, 1956.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.