McCarthy, M., McCarten, J., & Sendiford, H. (2005). Touchstone: Self-study audio CD/CD-ROM. Level 1B. Cambridge University Press.
Chicago-čujuhus (17. p.)McCarthy, Michael, Jeanne McCarten, juo Helen Sendiford. Touchstone: Self-study Audio CD/CD-ROM. Level 1B. Cambridge: Cambridge University Press, 2005.
MLA-čujuhus (9. p.)McCarthy, Michael, et al. Touchstone: Self-study Audio CD/CD-ROM. Level 1B. Cambridge University Press, 2005.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.