APA
DELHI (University of-), DELHI (University of-), . (1990). 67th annual report. New Delhi: University of.
Chicago
DELHI (University of-), DELHI (University of-), . 1990. 67th annual report. New Delhi: University of.
Harvard
DELHI (University of-), DELHI (University of-), . (1990). 67th annual report. New Delhi: University of.
MLA
DELHI (University of-), DELHI (University of-), . 67th annual report. New Delhi: University of. 1990.
