APA
National Environmental Engineering Research Institute N., . (2002). Annual report, 2001-2002. Nagpur: NEERI.
Chicago
National Environmental Engineering Research Institute Nagpur, . 2002. Annual report, 2001-2002. Nagpur: NEERI.
Harvard
National Environmental Engineering Research Institute N., . (2002). Annual report, 2001-2002. Nagpur: NEERI.
MLA
National Environmental Engineering Research Institute Nagpur, . Annual report, 2001-2002. Nagpur: NEERI. 2002.