Gaya APA
Cheremisinoff, P, N. (1993).
Encyclopedia of environmental control technology . Vol.6 Pollution Reduction and Contaminant Control .
Huston, Texas:
Houston : Gulf Publishing Co.,.
Gaya MLA
Cheremisinoff, Paul, N.
"Encyclopedia of environmental control technology . Vol.6 Pollution Reduction and Contaminant Control".
Huston, Texas:
Houston : Gulf Publishing Co.,,
1993.
Text.