Não informado. (1942). Adult Education Journal. American Association for Adult Education.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Adult Education Journal. New York: American Association for Adult Education, 1942.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Adult Education Journal. American Association for Adult Education, 1942.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.