Kanagasabai Sundralakshmy. (1973). Role of positive and negative instances and training in double classification skill in concept attainment.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Kanagasabai Sundralakshmy. Role of Positive and Negative Instances and Training in Double Classification Skill in Concept Attainment. 1973.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Kanagasabai Sundralakshmy. Role of Positive and Negative Instances and Training in Double Classification Skill in Concept Attainment. 1973.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.