Navarra, J. G. (1967). Today's basic science: The atom and the earth. California State Dept. of Education.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNavarra, John Gabriel. Today's Basic Science: The Atom and the Earth. Sacramento: California State Dept. of Education, 1967.
एमएलए (9वां संस्करण) प्रशस्ति पत्रNavarra, John Gabriel. Today's Basic Science: The Atom and the Earth. California State Dept. of Education, 1967.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.