| 978-607-489-276-5 | Across your past 2-Student´s Book | Book Mart | Gilberto Tepo Perez
Leticia Gasca Yañez
| 2011 |
| 978-607-489-772-2 | Across your Culture 5 -Student´s Book-DGETI | Book Mart | Gilberto Tepo Perez
Leticia Gasca Yañez
| 2013 |
| 978-607-489-771-5 | Across your Culture 5 Teacher´s Edition-DGETI | Book Mart | Gilberto Tepo Perez
Leticia Gasca Yañez
| 2013 |
| 978-607-489-770-8 | Across your future 3-Teacher´s Edition-DGETI | Book Mart | Gilberto Tepo Perez
Leticia Gasca Yañez
| 2013 |
| 978-607-489-733-3 | Across your future 3.Student´s Book-DGETI | Book Mart | Gilberto Tepo Perez
Leticia Gasca Yañez
| 2013 |
| 978-607-489-553-7 | Across your past 2 -Student´s Book DGETI | Book Mart | Gilberto Tepo Perez
Leticia Gasca Yañez
| 2012 |
| 978-607-489-552-0 | Across your culture 4 -Student´s Book DGETI | Book Mart | Gilberto Tepo Perez
Leticia Gasca Yañez
| 2012 |
| 978-607-489-469-1 | Across your life 1 -Student´s Book DGETI | Book Mart | Gilberto Tepo Perez
Leticia Gasca Yañez
| 2012 |
| 978-607-489-468-4 | Across your life 1-Teacher´s Edition DGETI | Book Mart | Gilberto Tepo Perez
Leticia Gasca Yañez
| 2012 |
| 978-607-489-228-4 | Across your Life 1 DGETI | Book Mart | Gilberto Tepo Perez
Leticia Gasca Yañez
| 2011 |
| 978-607-489-275-8 | Teacher´s Edition-Across your past 2 | Book Mart | Gilberto Tepo Perez
Leticia Gasca Yañez
| 2011 |
| 978-607-489-274-1 | Teacher´s Edition - Across your culture 4 | Book Mart | Gilberto Tepo Perez
Leticia Gasca Yañez
| 2011 |
| 978-607-489-280-2 | Across your culture 4-Student´s Book | Book Mart | Gilberto Tepo Perez
Leticia Gasca Yañez
| 2011 |
| 978-607-489-256-7 | Teacher's Edition-Across your world 5 | Book Mart | Gilberto Tepo Perez
Leticia Gasca Yañez
| 2011 |
| 978-607-489-255-0 | Teacher's Edition-Across your future 3 | Book Mart | Gilberto Tepo Perez
Leticia Gasca Yañez
| 2011 |
| 978-607-489-254-3 | Teacher's Edition-Across your life 1 | Book Mart | Gilberto Tepo Perez
Leticia Gasca Yañez
| 2011 |
| 978-607-489-230-7 | Across your World 5 DGETI | Book Mart | Gilberto Tepo Perez
Leticia Gasca Yañez
| 2011 |
| 978-607-489-229-1 | Across your Future 3 DGETI | Book Mart | Gilberto Tepo Perez
Leticia Gasca Yañez
| 2011 |