Puchta, H., Stranks, J., & Levy, M. (2004). English in mind: Workbook. Cambridge University Press.
Chicago-čujuhus (17. p.)Puchta, Herbert, Jeff Stranks, juo Meredith Levy. English in Mind: Workbook. Cambridge: Cambridge University Press, 2004.
MLA-čujuhus (9. p.)Puchta, Herbert, et al. English in Mind: Workbook. Cambridge University Press, 2004.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.