The junior high school, today and tomorrow.
| Egile nagusia: | |
|---|---|
| Formatua: | Liburua | 
| Hizkuntza: | English | 
| Argitaratua: | New York
          Prentice-Hall
    
        1953. | 
| Saila: | Prentice-Hall education series | 
| Egile nagusia: | |
|---|---|
| Formatua: | Liburua | 
| Hizkuntza: | English | 
| Argitaratua: | New York
          Prentice-Hall
    
        1953. | 
| Saila: | Prentice-Hall education series |