Cita APA

Falla, T., & Davies, P. A. (2008). Solutions elementary: Student's book. Oxford.

Citación estilo Chicago

Falla, Tim, and Paul A. Davies. Solutions Elementary: Student's Book. New York: Oxford, 2008.

Cita MLA

Falla, Tim, and Paul A. Davies. Solutions Elementary: Student's Book. New York: Oxford, 2008.