Russell, B. (1937). The principles of mathematics. London: George allen.
Trích dẫn kiểu ChicagoRussell, Bertrand. The Principles of Mathematics. London: George allen, 1937.
MLA引文Russell, Bertrand. The Principles of Mathematics. London: George allen, 1937.
警告:这些引文格式不一定是100%准确.