APA-viite

Paul, R., & Rhea Paul; Courtenay Norbury. Language disorders from infancy through adolescence: Listening, speaking, reading, writing, and communicating. St. Louis, Mo: Elsevier.

Chicago-tyylinen lähdeviittaus

Paul, Rhea, ja Rhea Paul; Courtenay Norbury. Language Disorders From Infancy Through Adolescence: Listening, Speaking, Reading, Writing, and Communicating. St. Louis, Mo: Elsevier.

MLA-viite

Paul, Rhea, ja Rhea Paul; Courtenay Norbury. Language Disorders From Infancy Through Adolescence: Listening, Speaking, Reading, Writing, and Communicating. St. Louis, Mo: Elsevier.

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