Gaya APA

Ph.D, J, A. (2006). From Difficult to Delighful in just 30 days: how to improve the behavior of your spirited child . New York: The McGraw-Hill Companies.

Gaya MLA

Ph.D, Jacob, Azerrad,. "From Difficult to Delighful in just 30 days: how to improve the behavior of your spirited child". New York: The McGraw-Hill Companies, 2006. Text.