Aspen Systems Corporation. (2015). Topics in Language Disorders. Lippincott Williams & Wilkins.
Citação do estilo Chicago (17ª ed.)Aspen Systems Corporation. Topics in Language Disorders. Philadelphia, Pa: Lippincott Williams & Wilkins, 2015.
Citação MLA (8ª ed.)Aspen Systems Corporation. Topics in Language Disorders. Lippincott Williams & Wilkins, 2015.
警告：這些引文格式不一定是100％准確.