G. Hall · Guillermo Franklin Hall Aviles
| title | media type | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|---|
| All Spanish Method, Vol. 1: Método Directo para Aprender el Español | Hardcover | 978-0-364-70627-5 (0-364-70627-9) | 2018 |
| All Spanish Method, Vol. 1: Método Directo para Aprender el Español | Paperback | 978-0-666-75848-4 (0-666-75848-4) | 2018 |
| Poco a Poco: An Elementary Direct Method For Learning Spanish | " | 978-1-332-69968-1 (1-332-69968-5) | 2018 |
Guillermo, Henk Haverkate, and Kitty Van Leuven (eds.) Araya