| 978-987-1147-46-5 | Chat 1 | Prentice Hall - Pearson Education | Luiz Otávio de Barros Souza
| 2008 |
| 978-987-1147-52-6 | Chat 2 libro del alumno | Prentice Hall - Pearson Education | Luiz Otávio de Barros Souza
| 2008 |
| 978-987-1147-53-3 | Chat 3 libro del alumno | Prentice Hall - Pearson Education | Luiz Otávio de Barros Souza
| 2008 |
| 978-987-1147-54-0 | Chat 1 libro para el maestro | Prentice Hall - Pearson Education | Luiz Otávio de Barros Souza
| 2007 |
| 978-987-1147-55-7 | Chat 2 libro para el maestro | Prentice Hall - Pearson Education | Luiz Otávio de Barros Souza
| 2007 |
| 978-987-1147-56-4 | Chat 3 libro para el maestro | Prentice Hall - Pearson Education | Luiz Otávio de Barros Souza
| 2007 |
| 978-987-1147-97-7 | Chat extra practice | Prentice Hall - Pearson Education | Luiz Otávio de Barros Souza
| 2009 |
| 978-987-615-127-6 | Chat 2 libro del alumno | Prentice Hall - Pearson Education | Lina Casuscelli
Luiz Otávio de Barros Souza
María José Gandini
| 2011 |
| 978-987-615-128-3 | Chat 3 libro del alumno | Prentice Hall - Pearson Education | Lina Casuscelli
Luiz Otávio de Barros Souza
María José Gandini
| 2011 |
| 978-987-615-129-0 | Chat 1 libro del alumno | Prentice Hall - Pearson Education | Lina Casuscelli
Luiz Otávio de Barros Souza
María José Gandini
| 2011 |
| 978-987-615-131-3 | Chat 1 libro del alumno | Prentice Hall - Pearson Education | Luiz Otávio de Barros Souza
| 2011 |
| 978-987-615-132-0 | Chat 2 libro del alumno | Prentice Hall - Pearson Education | Luiz Otávio de Barros Souza
| 2011 |
| 978-987-615-133-7 | Chat 3 libro del alumno | Prentice Hall - Pearson Education | Luiz Otávio de Barros Souza
| 2011 |