Córdoba Cubillo, P. M. 1., Coto Keith, R. 1., Ramírez Salas, M. M., & Rodríguez Ramírez, X. M. 1. (2008). Let's listen for 7th graders (1. edition.). San José, C.R.: Editorial Universidad de Costa Rica.
Chicago Style CitationCórdoba Cubillo, Patricia María 1954-, Rossina 1965- Coto Keith, Marlene M. Ramírez Salas, and Xinia María 1967- Rodríguez Ramírez. Let's Listen for 7th Graders. 1. edition. San José, C.R.: Editorial Universidad de Costa Rica, 2008.
MLA CitationCórdoba Cubillo, Patricia María 1954-, Rossina 1965- Coto Keith, Marlene M. Ramírez Salas, and Xinia María 1967- Rodríguez Ramírez. Let's Listen for 7th Graders. 1. edition. San José, C.R.: Editorial Universidad de Costa Rica, 2008.
Warning: These citations may not always be 100% accurate.