APA استشهاد

NCERT. (1972). Eleventh national seminar on elementary education. National Council of Educational research & Training.

استشهاد بنمط شيكاغو

NCERT. Eleventh National Seminar on Elementary Education. New Delhi: National Council of Educational research & Training, 1972.

MLA استشهاد

NCERT. Eleventh National Seminar on Elementary Education. National Council of Educational research & Training, 1972.