Falla, T. New Headway: English course beginner workbook whithout key. 2002.
Chicago-čujuhus (17. p.)Falla, Tim. New Headway: English Course Beginner Workbook Whithout Key. Estados Unidos Offord University Press: 2002.
MLA-čujuhus (9. p.)Falla, Tim. New Headway: English Course Beginner Workbook Whithout Key. 2002.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.