Mehta, T. S., Singh, P., & Vashisht, R. S. (1973). Teaching of geography and national integration. National Council of Educational Research and Training.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Mehta, T. S., Prabhakar Singh, و R. S. Vashisht. Teaching of Geography and National Integration. New Delhi: National Council of Educational Research and Training, 1973.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Mehta, T. S., et al. Teaching of Geography and National Integration. National Council of Educational Research and Training, 1973.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.