Cita APA

Littlejohn, A. (1999). Cambridge English worldwide: Student's book. Cambridge, UK: Cambridge University Press.

Citación estilo Chicago

Littlejohn, Andrew. Cambridge English Worldwide: Student's Book. Cambridge, UK: Cambridge University Press, 1999.

Cita MLA

Littlejohn, Andrew. Cambridge English Worldwide: Student's Book. Cambridge, UK: Cambridge University Press, 1999.