Fox, J. G. (1961). Some selected problems of aerospace--political, military, and economic.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रFox, Julius George. Some Selected Problems of Aerospace--political, Military, and Economic. 1961.
एमएलए (9वां संस्करण) प्रशस्ति पत्रFox, Julius George. Some Selected Problems of Aerospace--political, Military, and Economic. 1961.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.