| 其他書名 | Proceedings of the Tenth Annual Iowa Regional AATG Workshop, University of Northern Iowa, March 21-22, 1975 |
| 出版 | Iowa Chapter of the American Association of Teachers of German, 1976 |
| URL | http://books.google.com.hk/books?id=M7xbAAAAMAAJ&hl=&source=gbs_api |