Allyn and Bacon, Erickson, R. L., & Van Riper, C. (1996). Speech correction: хan иintroduction to speech patholology and audiology (9th ed.). Allyn and Bacon.
Παραπομπή σε μορφή Chicago (17η εκδ.)Allyn and Bacon, Robert L. Erickson, και Charles Van Riper. Speech Correction: хan иintroduction to Speech Patholology and Audiology. 9th ed. Boston: Allyn and Bacon, 1996.
Παραπομπή σε μορφή MLA (8th εκδ.)Allyn and Bacon, et al. Speech Correction: хan иintroduction to Speech Patholology and Audiology. 9th ed. Allyn and Bacon, 1996.
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