APA
National Council of Educational Research and Training, National Council of Educational Research and Training, . (1974). Objective based test items in physics. New Delhi: N C E R T.
Chicago
National Council of Educational Research and Training, National Council of Educational Research and Training, . 1974. Objective based test items in physics. New Delhi: N C E R T.
Harvard
National Council of Educational Research and Training, National Council of Educational Research and Training, . (1974). Objective based test items in physics. New Delhi: N C E R T.
MLA
National Council of Educational Research and Training, National Council of Educational Research and Training, . Objective based test items in physics. New Delhi: N C E R T. 1974.
