Cita APA

Ortiz Rodríguez, I., Morales Cordero, E. M., & Rojas Rodríguez, A. G. (2017). What's up? 9: Teacher's book (First edition.). Costa Rica: Richmond.

Citación estilo Chicago

Ortiz Rodríguez, Ivannia,, Elsa María Morales Cordero, y A. Gabriela Rojas Rodríguez. What's Up? 9: Teacher's Book. First edition. Costa Rica: Richmond, 2017.

Cita MLA

Ortiz Rodríguez, Ivannia,, Elsa María Morales Cordero, y A. Gabriela Rojas Rodríguez. What's Up? 9: Teacher's Book. First edition. Costa Rica: Richmond, 2017.