(1980). ELT documents special: Projects in materials design. London: British Council.
シカゴスタイル引用形ELT Documents Special: Projects in Materials Design. London: British Council, 1980.
MLA引用形式ELT Documents Special: Projects in Materials Design. London: British Council, 1980.
警告: この引用は必ずしも正確ではありません.