Spence, J. D. (1985). The memory palace of Matteo Ricci. Penguin Books.
Chicago Style aipamenaSpence, Jonathan D. The Memory Palace of Matteo Ricci. New York, N.Y.: Penguin Books, 1985.
MLA aipamenaSpence, Jonathan D. The Memory Palace of Matteo Ricci. Penguin Books, 1985.
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