Nuffield Foundation & Scottish Education Department. (1973). Metals stages 1 and 2: A unit for teachers. Published for the Schools Council by MacDonald Educational.
Cita Chicago (17th ed.)Nuffield Foundation i Scottish Education Department. Metals Stages 1 and 2: A Unit for Teachers. London: Published for the Schools Council by MacDonald Educational, 1973.
Cita MLA (9th ed.)Nuffield Foundation i Scottish Education Department. Metals Stages 1 and 2: A Unit for Teachers. Published for the Schools Council by MacDonald Educational, 1973.
Atenció: Aquestes cites poden no estar 100% correctes.