RUSSELL, B. (1980). Our knowledge of the external world; as a field for scientific method in philosophy (2nd ed.). George Allem and Unwin.
Chicago Style (17. basım) AtıfRUSSELL, Bertrand. Our Knowledge of the External World; as a Field for Scientific Method in Philosophy. 2nd ed. London: George Allem and Unwin, 1980.
MLA (9th ed.) AtıfRUSSELL, Bertrand. Our Knowledge of the External World; as a Field for Scientific Method in Philosophy. 2nd ed. George Allem and Unwin, 1980.
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