Olson, D. R., Torrance, N., & Havelock, E. A. (1991). Literacy and orality. Cambridge University Press.
Cita Chicago Style (17a ed.)Olson, David R., Nancy Torrance, y Eric Alfred Havelock. Literacy and Orality. New York: Cambridge University Press, 1991.
Cita MLA (8a ed.)Olson, David R., et al. Literacy and Orality. Cambridge University Press, 1991.
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