Koran, J. J. (1972). A summary of research in science education for the years of 1968-69 college level science. ERIC.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रKoran, John J. A Summary of Research in Science Education for the Years of 1968-69 College Level Science. Ohio, Estados Unidos: ERIC, 1972.
एमएलए (9वां संस्करण) प्रशस्ति पत्रKoran, John J. A Summary of Research in Science Education for the Years of 1968-69 College Level Science. ERIC, 1972.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.