Ripman, W. (1925). The sounds of spoken English (12th ed.). J. M. Dent.
Cita Chicago Style (17a ed.)Ripman, Walter. The Sounds of Spoken English. 12th ed. London: J. M. Dent, 1925.
Cita MLA (8a ed.)Ripman, Walter. The Sounds of Spoken English. 12th ed. J. M. Dent, 1925.
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