Twain, M. (2004). Letters from the earth: Uncensored writings. New York: Harper Perennial.
Citación estilo ChicagoTwain, Mark. Letters From the Earth: Uncensored Writings. New York: Harper Perennial, 2004.
Cita MLATwain, Mark. Letters From the Earth: Uncensored Writings. New York: Harper Perennial, 2004.
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