Não informado. Environmental Pollution and Control. U.S. Department of Commerce, National Technical Information Service.
Chicago Style (17. basım) AtıfNão informado. Environmental Pollution and Control. Springfield, Va: U.S. Department of Commerce, National Technical Information Service.
MLA (8th ed.) AtıfNão informado. Environmental Pollution and Control. U.S. Department of Commerce, National Technical Information Service.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..