Garan, D. G. (1975). The key to the sciences of man: The "impossible" relativity of value reactions. Philosophical Library.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रGaran, D. G. The Key to the Sciences of Man: The "Impossible" Relativity of Value Reactions. New York: Philosophical Library, 1975.
एमएलए (9वां संस्करण) प्रशस्ति पत्रGaran, D. G. The Key to the Sciences of Man: The "Impossible" Relativity of Value Reactions. Philosophical Library, 1975.
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