APA-viite (7. p.)
Paul, R., & Norbury, C. F. (2012). Language disorders from infancy through adolescence: Listening, speaking, reading, writing, and communicating (4th ed.). Elsevier.
Chicago-viite (17. p.)
Paul, Rhea, ja Courtenary F. Norbury. Language Disorders from Infancy Through Adolescence: Listening, Speaking, Reading, Writing, and Communicating. 4th ed. London: Elsevier, 2012.
MLA-viite (9. p.)
Paul, Rhea, ja Courtenary F. Norbury. Language Disorders from Infancy Through Adolescence: Listening, Speaking, Reading, Writing, and Communicating. 4th ed. Elsevier, 2012.
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