Johns, A. M. (1997). Text, role, and context: Developing academic literacies. Cambridge University.
Chicago-čujuhus (17. p.)Johns, Ann M. Text, Role, and Context: Developing Academic Literacies. Nueva York: Cambridge University, 1997.
MLA-čujuhus (9. p.)Johns, Ann M. Text, Role, and Context: Developing Academic Literacies. Cambridge University, 1997.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.