Graver, B. D. (1986). Advanced English practice. New York: Oxford University Press.
シカゴスタイル引用形Graver, B. D. Advanced English Practice. New York: Oxford University Press, 1986.
MLA引用形式Graver, B. D. Advanced English Practice. New York: Oxford University Press, 1986.
警告: この引用は必ずしも正確ではありません.