Coolidge, J. L. (1949). The Mathematics of great amateurs. Clarendon Press.
芝加哥风格引文Coolidge, Julian Lowell. The Mathematics of Great Amateurs. Oxford: Clarendon Press, 1949.
MLA引文Coolidge, Julian Lowell. The Mathematics of Great Amateurs. Clarendon Press, 1949.
警告：这些引文格式不一定是100％准确.