Forsyth, W. (1998). Grammar Activities 1 intermediate. New York: McGraw-Hill, INC.
シカゴスタイル引用形Forsyth, Will. Grammar Activities 1 Intermediate. New York: McGraw-Hill, INC, 1998.
MLA引用形式Forsyth, Will. Grammar Activities 1 Intermediate. New York: McGraw-Hill, INC, 1998.
警告: この引用は必ずしも正確ではありません.