| 其他書名 | Comprising Vocabulary Development, Grammar, Pronunciation, Enunciation, and the Fundamental Principles of Effective Oral Expression. Lesson 12 |
| 出版 | Better-Speech Institute of America, 1938 |
| URL | http://books.google.com.hk/books?id=QC7yzQEACAAJ&hl=&source=gbs_api |