APA (7. basım) Alıntı

Russell, B. R. (1993). Our knowledge of the external world: As a field for scientific method in philosophy. Routledge.

Chicago Style (17. basım) Atıf

Russell, Bertrand Russell. Our Knowledge of the External World: As a Field for Scientific Method in Philosophy. London: Routledge, 1993.

MLA (9th ed.) Atıf

Russell, Bertrand Russell. Our Knowledge of the External World: As a Field for Scientific Method in Philosophy. Routledge, 1993.