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