Sellars, W., & Hospers, J. (1952). Readings in ethical theory: Selected and ed. by Wilfrid Sellars and John Hospers. Appleton, Century, Crofts.
Chicago-viite (17. p.)Sellars, Wilfrid, ja John Hospers. Readings in Ethical Theory: Selected and Ed. by Wilfrid Sellars and John Hospers. New York: Appleton, Century, Crofts, 1952.
MLA-viite (8. p.)Sellars, Wilfrid, ja John Hospers. Readings in Ethical Theory: Selected and Ed. by Wilfrid Sellars and John Hospers. Appleton, Century, Crofts, 1952.
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