Hutchinson, T. (1997). Life Lines: Pre-Intermediate student's book (1a. ed. 9. reimp.). OffordUniversity Press.
Chicago Style (17th ed.) CitationHutchinson, Tom. Life Lines: Pre-Intermediate Student's Book. 1a. ed. 9. reimp. Estados Unidos: OffordUniversity Press, 1997.
MLA (9th ed.) CitationHutchinson, Tom. Life Lines: Pre-Intermediate Student's Book. 1a. ed. 9. reimp. OffordUniversity Press, 1997.
Warning: These citations may not always be 100% accurate.