Tohutoro APA (7th ed.)
Santayana, G. (2002). The letters of George Santayana (Santayana ed.). MIT Press.
Tohutoru Kātū Chicago (17th ed.)
Santayana, George. The Letters of George Santayana. Santayana ed. Cambridge, Mass.: MIT Press, 2002.
Tohutoro MLA (9th ed.)
Santayana, George. The Letters of George Santayana. Santayana ed. MIT Press, 2002.
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