NCERT. (2006). Social Science: Social and Political Life - 1; Textbook for class VI. National Council of Educational Research and Training.
استشهاد بنمط شيكاغوNCERT. Social Science: Social and Political Life - 1; Textbook for Class VI. National Council of Educational Research and Training, 2006.
MLA استشهادNCERT. Social Science: Social and Political Life - 1; Textbook for Class VI. National Council of Educational Research and Training, 2006.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.