Paul, R., & Cascella, P. W. (2007). Introduction to clinical methods in communication disorders (2nd ed.). P. H. Brookes Pub.
Dyfyniad Arddull ChicagoPaul, Rhea, and Paul W. Cascella. Introduction to Clinical Methods in Communication Disorders. 2nd ed. Baltimore: P. H. Brookes Pub, 2007.
Dyfyniad MLAPaul, Rhea, and Paul W. Cascella. Introduction to Clinical Methods in Communication Disorders. 2nd ed. P. H. Brookes Pub, 2007.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.