Soars, J., & Soars, L. (2013). American Headway 2 (student practice): The world's most trusted English course. [Oxford]: Oxford University Press.
استشهاد بنمط شيكاغوSoars, John, و Liz Soars. American Headway 2 (student Practice): The World's Most Trusted English Course. [Oxford]: Oxford University Press, 2013.
MLA استشهادSoars, John, و Liz Soars. American Headway 2 (student Practice): The World's Most Trusted English Course. [Oxford]: Oxford University Press, 2013.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.