Rach, R. (1996). Easy German exercises: Practice for beginners. Passport Books.
Lua i Stíl Chicago (17ú heag.)Rach, Ruth. Easy German Exercises: Practice for Beginners. Lincolnwood, Ill: Passport Books, 1996.
Lua MLA (9ú heag.)Rach, Ruth. Easy German Exercises: Practice for Beginners. Passport Books, 1996.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.