Marrtin. (1998). Pronunciation Plus Practice through interation (0 521 57797 7). Cambridge.
シカゴスタイル引用形Marrtin. Pronunciation Plus Practice Through Interation (0 521 57797 7). Cambridge, 1998.
MLA引用形式Marrtin. Pronunciation Plus Practice Through Interation (0 521 57797 7). Cambridge, 1998.
警告: この引用は必ずしも正確ではありません.