Cita APA (7a ed.)

Doff, A., & Jones, C. (2007). Language links: Grammar and vocabulary for reference and self-study : preintermediate [CD-ROM]. Cambridge University Press.

Cita Chicago Style (17a ed.)

Doff, Adrian, y Christopher Jones. Language Links: Grammar and Vocabulary for Reference and Self-study : Preintermediate [CD-ROM]. Cambridge, United Kingdom: Cambridge University Press, 2007.

Cita MLA (9a ed.)

Doff, Adrian, y Christopher Jones. Language Links: Grammar and Vocabulary for Reference and Self-study : Preintermediate [CD-ROM]. Cambridge University Press, 2007.