Liz, & Soars, J. (2009). American headway: Student book 4. New York: Oxford University Press.
シカゴスタイル引用形Liz, , John Soars. American Headway: Student Book 4. New York: Oxford University Press, 2009.
MLA引用形式Liz, , John Soars. American Headway: Student Book 4. New York: Oxford University Press, 2009.
警告: この引用は必ずしも正確ではありません.