Langer, S. K. (1969). Philosophy in a new key: A study in the symbolism of reason, rite, and art ([3rd ed.].). Harvard University Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रLanger, Susanne Katherina. Philosophy in a New Key: A Study in the Symbolism of Reason, Rite, and Art. [3rd ed.]. Cambridge, Mass.: Harvard University Press, 1969.
एमएलए (9वां संस्करण) प्रशस्ति पत्रLanger, Susanne Katherina. Philosophy in a New Key: A Study in the Symbolism of Reason, Rite, and Art. [3rd ed.]. Harvard University Press, 1969.
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