Παραπομπή APA

Russell, B., & Slater, J. G. (1999). Our knowledge of the external world as a field for scientific method in philosophy. London: Routledge.

Παραπομπή Chicago Style

Russell, Bertrand, and John G. Slater. Our Knowledge of the External World As a Field for Scientific Method in Philosophy. London: Routledge, 1999.

Παραπομπή MLA

Russell, Bertrand, and John G. Slater. Our Knowledge of the External World As a Field for Scientific Method in Philosophy. London: Routledge, 1999.

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