(2002). Dictionary of water and waste management.
Chicago Style (17. basım) AtıfDictionary of Water and Waste Management. 2002.
MLA (9th ed.) AtıfDictionary of Water and Waste Management. 2002.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..
(2002). Dictionary of water and waste management.
Chicago Style (17. basım) AtıfDictionary of Water and Waste Management. 2002.
MLA (9th ed.) AtıfDictionary of Water and Waste Management. 2002.