University, U. c. S. L. (1969). Device at Parks College shows shock waves, February 1969.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रUniversity, Unknown creator; St. Louis. Device at Parks College Shows Shock Waves, February 1969. 1969.
एमएलए (8वां संस्करण) प्रशस्ति पत्रUniversity, Unknown creator; St. Louis. Device at Parks College Shows Shock Waves, February 1969. 1969.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.