Cita APA (7a ed.)

Baigent, M., & Robinson, N. (2011). English unlimited: Intermediate. Self-study pack. Workbook with DVD-ROM. B1 Plus. Cambridge University Press.

Cita Chicago Style (17a ed.)

Baigent, Maggie, y Nick Robinson. English Unlimited: Intermediate. Self-study Pack. Workbook with DVD-ROM. B1 Plus. Cambridge: Cambridge University Press, 2011.

Cita MLA (9a ed.)

Baigent, Maggie, y Nick Robinson. English Unlimited: Intermediate. Self-study Pack. Workbook with DVD-ROM. B1 Plus. Cambridge University Press, 2011.