Rach, R. (1996). Easy German exercises: Practice for beginners. Passport Books.
Chicago-referens (17:e uppl.)Rach, Ruth. Easy German Exercises: Practice for Beginners. Lincolnwood, Ill: Passport Books, 1996.
MLA-referens (9:e uppl.)Rach, Ruth. Easy German Exercises: Practice for Beginners. Passport Books, 1996.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.