APA
National Council of Educational Research and Training, National Council of Educational Research and Training, . (1970). Economic and commercial geography of India. New Delhi: National Council of Educational Research and Training India.
Chicago
National Council of Educational Research and Training, National Council of Educational Research and Training, . 1970. Economic and commercial geography of India. New Delhi: National Council of Educational Research and Training India.
Harvard
National Council of Educational Research and Training, National Council of Educational Research and Training, . (1970). Economic and commercial geography of India. New Delhi: National Council of Educational Research and Training India.
MLA
National Council of Educational Research and Training, National Council of Educational Research and Training, . Economic and commercial geography of India. New Delhi: National Council of Educational Research and Training India. 1970.
