Nuffield Foundation. Mathematics Project. (1967). Shape and size / Nuffield Foundation. Mathematics Project. Nuffield Foundation.
芝加哥风格引文Nuffield Foundation. Mathematics Project. Shape and Size / Nuffield Foundation. Mathematics Project. New York: Nuffield Foundation, 1967.
MLA引文Nuffield Foundation. Mathematics Project. Shape and Size / Nuffield Foundation. Mathematics Project. Nuffield Foundation, 1967.
警告：这些引文格式不一定是100％准确.