Schools Council, Nuffield Foundation, Nuffield Foundation, & Scottish Education Department. (1973). Trees; stages 1 and 2: A unit for teachers. MacDonald Educational.
芝加哥风格引文Schools Council, Nuffield Foundation, Nuffield Foundation, 与 Scottish Education Department. Trees; Stages 1 and 2: A Unit for Teachers. London: MacDonald Educational, 1973.
MLA引文Schools Council, Nuffield Foundation, et al. Trees; Stages 1 and 2: A Unit for Teachers. MacDonald Educational, 1973.
警告：这些引文格式不一定是100％准确.