Hutchinson, T. (1987). English for specific purposes: a learning centred: Approach. U. Pr.
Chicago-čujuhus (17. p.)Hutchinson, Tom. English for Specific Purposes: A Learning Centred: Approach. Cambridge: U. Pr, 1987.
MLA-čujuhus (9. p.)Hutchinson, Tom. English for Specific Purposes: A Learning Centred: Approach. U. Pr, 1987.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.