Pears, D. (1967). Bertrand Russell & the British tradation in philosophy. Random House.
Lua i Stíl Chicago (17ú heag.)Pears, D. Bertrand Russell & the British Tradation in Philosophy. New York: Random House, 1967.
Lua MLA (9ú heag.)Pears, D. Bertrand Russell & the British Tradation in Philosophy. Random House, 1967.
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