Cita APA

Freire, R., Jones, T., & Zimmerman, C. B. 1. (2011). Listening and speaking 4: [with online practice]. New York: Oxford University Press.

Citación estilo Chicago

Freire, Robert, Tamara Jones, y Cheryl Boyd 1950- Zimmerman. Listening and Speaking 4: [with Online Practice]. New York: Oxford University Press, 2011.

Cita MLA

Freire, Robert, Tamara Jones, y Cheryl Boyd 1950- Zimmerman. Listening and Speaking 4: [with Online Practice]. New York: Oxford University Press, 2011.