Stumpf, S. E. (1989). Philosophical problems: Selected readings in Socratic dialogues, ethics, religion, political philosophy, epistemology, and metaphysics (3rd ed.). McGraw-Hill.
Цитирование в стиле Чикаго (17-е изд.)Stumpf, Samuel Enoch. Philosophical Problems: Selected Readings in Socratic Dialogues, Ethics, Religion, Political Philosophy, Epistemology, and Metaphysics. 3rd ed. New York: McGraw-Hill, 1989.
Цитирование MLA (9-е изд.)Stumpf, Samuel Enoch. Philosophical Problems: Selected Readings in Socratic Dialogues, Ethics, Religion, Political Philosophy, Epistemology, and Metaphysics. 3rd ed. McGraw-Hill, 1989.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.