Rach, R. (1996). Easy German exercises: Practice for beginners. Passport Books.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रRach, Ruth. Easy German Exercises: Practice for Beginners. Lincolnwood, Ill: Passport Books, 1996.
एमएलए (9वां संस्करण) प्रशस्ति पत्रRach, Ruth. Easy German Exercises: Practice for Beginners. Passport Books, 1996.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.