Cita APA (7a ed.)
Doff, A., & Jones, C. (1999). Language in use beginner. Classroom book. Cambridge University Press.
Cita Chicago Style (17a ed.)
Doff, Adrian, y Christopher Jones. Language in Use Beginner. Classroom Book. Cambridge: Cambridge University Press, 1999.
Cita MLA (9a ed.)
Doff, Adrian, y Christopher Jones. Language in Use Beginner. Classroom Book. Cambridge University Press, 1999.
Precaución: Estas citas no son 100% exactas.