Gaya APA

Willetts, L, &, C, C. (2007). Overcoming your child's shyness & social anxiety: A self-help guide using cognitive behavioral techniques. . London: London Constable & Robinson.

Gaya MLA

Willetts, Lucy, &, Creswell,, Cathy. "Overcoming your child's shyness & social anxiety: A self-help guide using cognitive behavioral techniques. ". London: London Constable & Robinson, 2007. Buku.