Paul, R., & Cascella, P. W. (2007). Introduction to clinical methods in communication disorders (2nd ed.). P. H. Brookes Pub.
Čikaški stil citiranja (17. izdanje)Paul, Rhea, i Paul W. Cascella. Introduction to Clinical Methods in Communication Disorders. 2nd ed. Baltimore: P. H. Brookes Pub, 2007.
MLA način citiranja (9. izdanje)Paul, Rhea, i Paul W. Cascella. Introduction to Clinical Methods in Communication Disorders. 2nd ed. P. H. Brookes Pub, 2007.
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