Kroll, B. (1990). Second language writing: Research insights for the classroom (1a. ed.). Cambridge University.
Chicago-čujuhus (17. p.)Kroll, Barbara. Second Language Writing: Research Insights for the Classroom. 1a. ed. Cambridge: Cambridge University, 1990.
MLA-čujuhus (9. p.)Kroll, Barbara. Second Language Writing: Research Insights for the Classroom. 1a. ed. Cambridge University, 1990.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.