Schools Council, Nuffield Foundation, Nuffield Foundation, & Scottish Education Department. (1973). Holes, gaps and cavities ; stages 1 & 2: A unit for teachers. MacDonald Educational.
Chicago-referens (17:e uppl.)Schools Council, Nuffield Foundation, Nuffield Foundation, och Scottish Education Department. Holes, Gaps and Cavities ; Stages 1 & 2: A Unit for Teachers. London: MacDonald Educational, 1973.
MLA-referens (9:e uppl.)Schools Council, Nuffield Foundation, et al. Holes, Gaps and Cavities ; Stages 1 & 2: A Unit for Teachers. MacDonald Educational, 1973.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.