Schools Council, Nuffield Foundation, Scottish Education Department. (1973). Trees ; Stages 1 & 2: A unit for teachers. Macdonald Educational.
Citace podle Chicago (17th ed.)Schools Council, Nuffield Foundation, Scottish Education Department. Trees ; Stages 1 & 2: A Unit for Teachers. London: Macdonald Educational, 1973.
Citace podle MLA (9th ed.)Schools Council, Nuffield Foundation, Scottish Education Department. Trees ; Stages 1 & 2: A Unit for Teachers. Macdonald Educational, 1973.
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