Harrison, M. (2009). Oxford living grammar: Elementary. Oxford University Press.
Chicagoスタイル(17版)引用形式Harrison, Mark. Oxford Living Grammar: Elementary. New York: Oxford University Press, 2009.
MLA(9版)引用形式Harrison, Mark. Oxford Living Grammar: Elementary. Oxford University Press, 2009.
警告: この引用は必ずしも正確ではありません.