Cita APA

Douglas, E. S., Girimonti, S., & Samuel, J. (2019). B2 train up your skills: Extensive English skills practice. Madrid: Editorial Tébar Flores.

Citación estilo Chicago

Douglas, Elisabeth S.,, Silvia Girimonti, and Julia Samuel. B2 Train Up Your Skills: Extensive English Skills Practice. Madrid: Editorial Tébar Flores, 2019.

Cita MLA

Douglas, Elisabeth S.,, Silvia Girimonti, and Julia Samuel. B2 Train Up Your Skills: Extensive English Skills Practice. Madrid: Editorial Tébar Flores, 2019.