Spence, J. D. (1985). The memory palace of Matteo Ricci. Penguin Books.
Citación estilo ChicagoSpence, Jonathan D. The Memory Palace of Matteo Ricci. New York, N.Y.: Penguin Books, 1985.
Cita MLASpence, Jonathan D. The Memory Palace of Matteo Ricci. Penguin Books, 1985.
Warning: These citations may not always be 100% accurate.