National Council of Educational Research and Training (India). (1967). Second all-India educational survey. National Council of Educational Research and Training.
Citazione stile Chigago Style (17a edizione)National Council of Educational Research and Training (India). Second All-India Educational Survey. New Delhi: National Council of Educational Research and Training, 1967.
Citatione MLA (8a ed.)National Council of Educational Research and Training (India). Second All-India Educational Survey. National Council of Educational Research and Training, 1967.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.