Pidgeon, D. A. (1967). Achievement in mathematics: A national study of secondary schools. Bucks : National Foundation for Educational Research in England and Wales.
芝加哥风格引文Pidgeon, Douglas A. Achievement in Mathematics: A National Study of Secondary Schools. Bucks : National Foundation for Educational Research in England and Wales, 1967.
MLA引文Pidgeon, Douglas A. Achievement in Mathematics: A National Study of Secondary Schools. Bucks : National Foundation for Educational Research in England and Wales, 1967.
警告：这些引文格式不一定是100％准确.