Wren, W., & Lindsay, S. (2019). Cambridge Grammar And Writing Skills Learner's Book 6 (1st.). Cambridge University Press.
Chicago-čujuhus (17. p.)Wren, Wendy, juo Sarah Lindsay. Cambridge Grammar And Writing Skills Learner's Book 6. 1st. UK: Cambridge University Press, 2019.
MLA-čujuhus (9. p.)Wren, Wendy, juo Sarah Lindsay. Cambridge Grammar And Writing Skills Learner's Book 6. 1st. Cambridge University Press, 2019.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.