Rach, R. (1996). Easy German exercises: Practice for beginners. Passport Books.
Chicago Style (17. basım) AtıfRach, Ruth. Easy German Exercises: Practice for Beginners. Lincolnwood, Ill: Passport Books, 1996.
MLA (9th ed.) AtıfRach, Ruth. Easy German Exercises: Practice for Beginners. Passport Books, 1996.
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