(1980). ELT documents special: Projects in materials design. London: British Council.
Trích dẫn kiểu ChicagoELT Documents Special: Projects in Materials Design. London: British Council, 1980.
MLA CitationELT Documents Special: Projects in Materials Design. London: British Council, 1980.
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.