Hutchinson, T., & Tom Hutchinson. (1999). LifeLines: Intermediate: Student's book. United Kingdom: Oxford University Press.
استشهاد بنمط شيكاغوHutchinson, Tom, و Tom Hutchinson. LifeLines: Intermediate: Student's Book. United Kingdom: Oxford University Press, 1999.
MLA استشهادHutchinson, Tom, و Tom Hutchinson. LifeLines: Intermediate: Student's Book. United Kingdom: Oxford University Press, 1999.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.