With topical charts, direct-method exercises and alternative English-Spanish exercises.
| Prif Awdur: | |
|---|---|
| Fformat: | Llyfr |
| Iaith: | English |
| Cyhoeddwyd: |
Boston
D.C. Heath & co.
[c1941].
|
| Rhifyn: | New ed. |
| Cyfres: | Heath's modern language series
|