Richards, I., & Gibson, C. M. (1958). English through pictures ([15th. print.].). New York: Pocket Books.
Citación estilo ChicagoRichards, I.A, and Christine M. Gibson. English Through Pictures. [15th. print.]. New York: Pocket Books, 1958.
Cita MLARichards, I.A, and Christine M. Gibson. English Through Pictures. [15th. print.]. New York: Pocket Books, 1958.
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