Nuffield Foundation & Scottish Education Department. (1973). Metals stages 1 and 2: A unit for teachers. Published for the Schools Council by MacDonald Educational.
Chicago-referens (17:e uppl.)Nuffield Foundation och Scottish Education Department. Metals Stages 1 and 2: A Unit for Teachers. London: Published for the Schools Council by MacDonald Educational, 1973.
MLA-referens (9:e uppl.)Nuffield Foundation och Scottish Education Department. Metals Stages 1 and 2: A Unit for Teachers. Published for the Schools Council by MacDonald Educational, 1973.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.