Rao, C. (1991). Environmental Pollution Control Engineering. Wiley Eastern.
Chicago-stil citatRao, C.S. Environmental Pollution Control Engineering. New Delhi: Wiley Eastern, 1991.
MLA-referensRao, C.S. Environmental Pollution Control Engineering. Wiley Eastern, 1991.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.