Cita APA (7a ed.)

Doff, A. (2005). Language links: Grammar and vocabulary for self-study : beginner, elementary. Cambridge University Press.

Cita Chicago Style (17a ed.)

Doff, Adrian. Language Links: Grammar and Vocabulary for Self-study : Beginner, Elementary. Cambridge, United Kingdom: Cambridge University Press, 2005.

Cita MLA (9a ed.)

Doff, Adrian. Language Links: Grammar and Vocabulary for Self-study : Beginner, Elementary. Cambridge University Press, 2005.