Marshall, M. (1953). The singer's manual of English diction. New York: Schirmer Books.
Citación estilo ChicagoMarshall, Madeleine. The Singer's Manual of English Diction. New York: Schirmer Books, 1953.
Cita MLAMarshall, Madeleine. The Singer's Manual of English Diction. New York: Schirmer Books, 1953.
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