Aspen Systems Corporation. (2015). Topics in Language Disorders. Lippincott Williams & Wilkins.
Čikaški stil citiranja (17. izdanje)Aspen Systems Corporation. Topics in Language Disorders. Philadelphia, Pa: Lippincott Williams & Wilkins, 2015.
MLA način citiranja (8. izdanje)Aspen Systems Corporation. Topics in Language Disorders. Lippincott Williams & Wilkins, 2015.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.