Cita APA (7th ed.)

Donna, S., & Hancock, M. (2007). English pronunciation in use. Intermediate: CD-ROM user's guide. Cambridge University Press.

Cita Chicago (17th ed.)

Donna, Sylvie, i Mark Hancock. English Pronunciation in Use. Intermediate: CD-ROM User's Guide. Cambridge: Cambridge University Press, 2007.

Cita MLA (9th ed.)

Donna, Sylvie, i Mark Hancock. English Pronunciation in Use. Intermediate: CD-ROM User's Guide. Cambridge University Press, 2007.