Rao,C.S. (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.