Cita APA (7a ed.)

Oxford University Press. (1999). Wordpower english in use [CD-ROM]: Oxford interactive CD-ROM. Oxford University Press.

Cita Chicago Style (17a ed.)

Oxford University Press. Wordpower English in Use [CD-ROM]: Oxford Interactive CD-ROM. Oxford: Oxford University Press, 1999.

Cita MLA (9a ed.)

Oxford University Press. Wordpower English in Use [CD-ROM]: Oxford Interactive CD-ROM. Oxford University Press, 1999.