Gaya APA

Roth, F, P., Worthington, C, K. (2021). Treatment Resource manual for Speech-Language Pathology (6th edition). San Diego: Plural.

Gaya MLA

Roth, Froma, P., Worthington, Collen, K. "Treatment Resource manual for Speech-Language Pathology". 6th edition San Diego: Plural, 2021. Text.