Gaya APA

Wolman, B, B., Stricker, G. (2015). Anxiety and Related Disorders: A Handbook . United States of America: John Wiley & Sons, Inc..

Gaya MLA

Wolman, Benjamin, B.., Stricker, George. "Anxiety and Related Disorders: A Handbook". United States of America: John Wiley & Sons, Inc., 2015. Text.