Cita APA

McCarthy, M., McCarten, J., & Sandiford, H. (2005). Touchstone: Self-study audio CD/CD-ROM. Level 2B. Cambridge University Press.

Citación estilo Chicago

McCarthy, Michael, Jeanne McCarten, and Helen Sandiford. Touchstone: Self-study Audio CD/CD-ROM. Level 2B. Cambridge: Cambridge University Press, 2005.

Cita MLA

McCarthy, Michael, et al. Touchstone: Self-study Audio CD/CD-ROM. Level 2B. Cambridge University Press, 2005.