Beech, H. R., & Fransella, F. (1968). Research and experiment in stuttering ([1st ed.].). Pergamon Press.
Cita Chicago Style (17a ed.)Beech, H. R., y Fay Fransella. Research and Experiment in Stuttering. [1st ed.]. Oxford, New York: Pergamon Press, 1968.
Cita MLA (8a ed.)Beech, H. R., y Fay Fransella. Research and Experiment in Stuttering. [1st ed.]. Pergamon Press, 1968.
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