Hutchinson, T. (1997). Life Lines: Intermediate student's book (1a. ed. 8. reimp.). OffordUniversity Press.
Chicago-čujuhus (17. p.)Hutchinson, Tom. Life Lines: Intermediate Student's Book. 1a. ed. 8. reimp. Estados Unidos: OffordUniversity Press, 1997.
MLA-čujuhus (9. p.)Hutchinson, Tom. Life Lines: Intermediate Student's Book. 1a. ed. 8. reimp. OffordUniversity Press, 1997.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.