Indien National Council of Educational Research and Training, Joshi, K. L., Sinha, S., & Gupta, D. P. (1996). Principles of geography: A textbook for class .. ([Higher secondary stage], 1. ed. 1989, 7. reprint ed.). Publ. Div. by the Secretary, National Council of Educational Research and Training.
Citazione stile Chigago Style (17a edizione)Indien National Council of Educational Research and Training, Krishan L. Joshi, Savita Sinha, e Dwarka P. Gupta. Principles of Geography: A Textbook for Class .. [Higher secondary stage], 1. ed. 1989, 7. reprint ed. New Delhi: Publ. Div. by the Secretary, National Council of Educational Research and Training, 1996.
Citatione MLA (9a ed.)Indien National Council of Educational Research and Training, et al. Principles of Geography: A Textbook for Class .. [Higher secondary stage], 1. ed. 1989, 7. reprint ed. Publ. Div. by the Secretary, National Council of Educational Research and Training, 1996.