Hartman, J., & Roach, P. (2006). Cambridge English pronouncing dictionary (17th ed.). Cambridge University Press.
Cita Chicago Style (17a ed.)Hartman, James, y Peter Roach. Cambridge English Pronouncing Dictionary. 17th ed. Cambridge: Cambridge University Press, 2006.
Cita MLA (8a ed.)Hartman, James, y Peter Roach. Cambridge English Pronouncing Dictionary. 17th ed. Cambridge University Press, 2006.
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