Sober, E. (1995). Core questions in philosophy: A text with readings (2nd ed.). Prentice Hall.
Chicago Style (17. basım) AtıfSober, Elliott. Core Questions in Philosophy: A Text with Readings. 2nd ed. Englewood Cliffs, N.J: Prentice Hall, 1995.
MLA (9th ed.) AtıfSober, Elliott. Core Questions in Philosophy: A Text with Readings. 2nd ed. Prentice Hall, 1995.
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