Gaya APA

Paul, R., Norbury, C, F. (2012). Language Disorder From Infancy Through Adolescence Listening, Speaking, Reading, Writing and Communicating 4 Edition (4). United State: ELSEVIER.

Gaya MLA

Paul, Rhea., Norbury, Courtenay, F. "Language Disorder From Infancy Through Adolescence Listening, Speaking, Reading, Writing and Communicating 4 Edition". 4 United State: ELSEVIER, 2012. Text.