Howatt, A. P. R., & Widdowson, H. (2004). A history of English language teaching (2nd ed.). Oxford University Press.
Chicagoスタイル(17版)引用形式Howatt, Anthony P. R., , H.G Widdowson. A History of English Language Teaching. 2nd ed. Oxford: Oxford University Press, 2004.
MLA(9版)引用形式Howatt, Anthony P. R., , H.G Widdowson. A History of English Language Teaching. 2nd ed. Oxford University Press, 2004.
警告: この引用は必ずしも正確ではありません.