Cunningham, S. (2004). American cutting egde: Students' book. HongKong: Longman Assia ELT.
シカゴスタイル引用形Cunningham, Sarrah. American Cutting Egde: Students' Book. HongKong: Longman Assia ELT, 2004.
MLA引用形式Cunningham, Sarrah. American Cutting Egde: Students' Book. HongKong: Longman Assia ELT, 2004.
警告: この引用は必ずしも正確ではありません.