German Adult Education Association, Bonn (Germany). Inst. for International Cooperation, & Hinzen, H. (1993). Adult Education and Development, 1997. Distributed by ERIC Clearinghouse.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रGerman Adult Education Association, Bonn (Germany). Inst. for International Cooperation, और Heribert Hinzen. Adult Education and Development, 1997. [Washington, D.C.]: Distributed by ERIC Clearinghouse, 1993.
एमएलए (8वां संस्करण) प्रशस्ति पत्रGerman Adult Education Association, Bonn (Germany). Inst. for International Cooperation, और Heribert Hinzen. Adult Education and Development, 1997. Distributed by ERIC Clearinghouse, 1993.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.