Gardner, W. (1977). Learning and behavior characteristics of exceptional children and youth: A humanistic behavioral approach. Allyn and Bacon.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Gardner, William. Learning and Behavior Characteristics of Exceptional Children and Youth: A Humanistic Behavioral Approach. Boston: Allyn and Bacon, 1977.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Gardner, William. Learning and Behavior Characteristics of Exceptional Children and Youth: A Humanistic Behavioral Approach. Allyn and Bacon, 1977.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.