Soars, L., & Soars, L. (2012). New headway intermediate student's book (4th ed.). Oxford University Press.
Chicago-čujuhus (17. p.)Soars, Liz, juo Liz Soars. New Headway Intermediate Student's Book. 4th ed. Oxford: Oxford University Press, 2012.
MLA-čujuhus (9. p.)Soars, Liz, juo Liz Soars. New Headway Intermediate Student's Book. 4th ed. Oxford University Press, 2012.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.