Gaya APA

Paul, R., Norbury, C, F. (2012). Language disorders from infancy through adolescence: listening, speaking reading, writing and communicating (Cet. 4). St. Louis: elsevier.

Gaya MLA

Paul, Rhea., Norbury, Courtenay, F.. "Language disorders from infancy through adolescence: listening, speaking reading, writing and communicating". Cet. 4 St. Louis: elsevier, 2012. Text.