| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Asi Somos: Communicative Activities for the Classroom | 978-0-07-759788-7 (0-07-759788-5) | 2011 | Paula Ellister |
| Asi Somos: Communicative Activities for the Classroom, Vol. I | 978-0-07-803946-1 (0-07-803946-0) | 2010 | Paula Ellister |
| Entrevistas: Instructor's Manual and Testing Program | 978-0-07-255860-9 (0-07-255860-1) | 2004 | Robert L. Davis · H. Jay Siskin · Alicia Ramos · Paula Ellister |