Russell, B. (1969). Our Knowledge of the External World: As a Field for Scientific Method in Philosophy. George Allen & Unwin.
Citação norma ChicagoRussell, Bertrand. Our Knowledge of the External World: As a Field for Scientific Method in Philosophy. London: George Allen & Unwin, 1969.
Citação norma MLARussell, Bertrand. Our Knowledge of the External World: As a Field for Scientific Method in Philosophy. George Allen & Unwin, 1969.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.