Soars, J., & Soars, L. (2002). American headway starter: Student book. Oxford: Oxford Univ. Press.
Trích dẫn kiểu ChicagoSoars, John, và Liz Soars. American Headway Starter: Student Book. Oxford: Oxford Univ. Press, 2002.
MLA引文Soars, John, và Liz Soars. American Headway Starter: Student Book. Oxford: Oxford Univ. Press, 2002.
警告：这些引文格式不一定是100％准确.