APA-viite (7. p.)
Cowie, R., & Douglas-Cowie, E. (1992). Postlingually acquired deafness: Speech deterioration and the wider consequences. Mouton de Gruyter.
Chicago-viite (17. p.)
Cowie, Roddy, ja Ellen Douglas-Cowie. Postlingually Acquired Deafness: Speech Deterioration and the Wider Consequences. Berlin ; New York: Mouton de Gruyter, 1992.
MLA-viite (9. p.)
Cowie, Roddy, ja Ellen Douglas-Cowie. Postlingually Acquired Deafness: Speech Deterioration and the Wider Consequences. Mouton de Gruyter, 1992.
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