APA
National Council of Educational Research and Training, . (2017). Science text book for class VIII. New Delhi: National Council for Educational Research and Training.
Chicago
National Council of Educational Research and Training, . 2017. Science text book for class VIII. New Delhi: National Council for Educational Research and Training.
Harvard
National Council of Educational Research and Training, . (2017). Science text book for class VIII. New Delhi: National Council for Educational Research and Training.
MLA
National Council of Educational Research and Training, . Science text book for class VIII. New Delhi: National Council for Educational Research and Training. 2017.