Lambert, N. (2002). English upgrade: Teacher resource. Oxford: MacMillan.
シカゴスタイル引用形Lambert, Nicholas. English Upgrade: Teacher Resource. Oxford: MacMillan, 2002.
MLA引用形式Lambert, Nicholas. English Upgrade: Teacher Resource. Oxford: MacMillan, 2002.
警告: この引用は必ずしも正確ではありません.